{"id":37018,"date":"2026-09-06T22:04:04","date_gmt":"2026-09-06T19:04:04","guid":{"rendered":"https:\/\/esi.edu.sa\/?page_id=37018"},"modified":"2026-09-22T20:17:45","modified_gmt":"2026-09-22T17:17:45","slug":"telecom-rf-engineering","status":"publish","type":"page","link":"https:\/\/esi.edu.sa\/en\/telecom-rf-engineering\/","title":{"rendered":"Telecom &#038; RF Engineering Training Courses"},"content":{"rendered":"<div class=\"gb-container gb-container-90aeec53\">\n\n<style>\n.esi-arch{\n  --bg:#FBFAF8; --surface:#fff; --tint:#F6F4F0; --line:#EDE9E3; --line-strong:#E3DED6;\n  --ink:#1B1A20; --ink-soft:#46434F; --ink-muted:#6F6B78;\n  --brand:#3EAECB; --brand-500:#2F95B0; --link:#1B6E84; --link-h:#175F74; --deep:#124A5B; --deepest:#0C3744;\n  --cyan:#5CE6E6; --warm:#FC600C; --warm-ink:#C24500;\n  --tint-brand:rgba(62,174,203,.09); --ring:rgba(62,174,203,.4);\n  --on-dark-soft:rgba(255,255,255,.75);\n  --sh-rest:0 1px 2px rgba(12,55,68,.05),0 2px 8px rgba(12,55,68,.04);\n  --sh-hover:0 24px 60px rgba(12,55,68,.16),0 6px 18px rgba(12,55,68,.08);\n  --sh-lg-panel:0 30px 70px rgba(12,55,68,.22),0 8px 22px rgba(12,55,68,.10);\n  --ease:cubic-bezier(.2,.7,.2,1);\n  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;\n  --grad-mark:linear-gradient(140deg,#3EAECB,#124A5B);\n  --grad-panel:linear-gradient(160deg,#175F74,#0C3744);\n  direction:ltr; color:var(--ink); -webkit-font-smoothing:antialiased; line-height:1.6;\n  background:\n    radial-gradient(1100px 620px at 0% -8%, rgba(62,174,203,.17), transparent 62%),\n    radial-gradient(820px 520px at 108% 6%, rgba(252,96,12,.05), transparent 58%),\n    var(--bg);\n}\n.esi-arch--full{ margin-inline:calc(50% - 50vw); width:100vw; }\n.esi-arch *,.esi-arch *::before,.esi-arch *::after{ box-sizing:border-box; }\n.esi-arch a{ color:var(--link); text-decoration:none; }\n.esi-arch a:hover{ color:var(--link-h); }\n.esi-arch :focus-visible{ outline:3px solid var(--ring); outline-offset:3px; }\n.esi-arch img{ display:block; max-width:100%; }\n.esi-arch h1,.esi-arch h2,.esi-arch h3,.esi-arch p,.esi-arch ul,.esi-arch ol{ margin:0; }\n.esi-arch ul,.esi-arch ol{ padding:0; list-style:none; }\n.esi-arch__wrap{ max-width:1140px; margin-inline:auto; padding-inline:clamp(18px,4vw,40px); }\n.esi-arch__mono{ font-family:var(--mono); font-weight:700; letter-spacing:.2px; }\n\n\/* ---- header ---- *\/\n.esi-arch__bar{ border-bottom:1px solid var(--line); background:rgba(251,250,248,.94); position:relative; top:0; z-index:20; backdrop-filter:saturate(180%) blur(8px); }\n.esi-arch__bar-in{ min-height:72px; display:flex; align-items:center; gap:16px; flex-wrap:wrap; }\n.esi-arch__brand{ display:flex; align-items:center; gap:10px; padding-block:8px; }\n.esi-arch__logo{ height:60px; width:auto; }\n.esi-arch__logo--foot{ height:44px; }\n.esi-arch__where{ margin-inline-start:auto; font-size:14.5px; font-weight:600; color:var(--ink-muted); display:flex; align-items:center; gap:8px; }\n.esi-arch__live{ width:8px; height:8px; border-radius:999px; background:var(--brand-500); box-shadow:0 0 0 0 rgba(62,174,203,.5); animation:esi-arch-live 2.4s var(--ease) infinite; }\n@keyframes esi-arch-live{ 0%{box-shadow:0 0 0 0 rgba(62,174,203,.55)} 70%{box-shadow:0 0 0 9px rgba(62,174,203,0)} 100%{box-shadow:0 0 0 0 rgba(62,174,203,0)} }\n.esi-arch__lang{ display:flex; align-items:center; flex:0 0 auto; font-size:14px; }\n.esi-arch__lang ul{ display:flex; align-items:center; gap:8px; margin:0; padding:0; list-style:none; }\n.esi-arch__lang li{ list-style:none; }\n.esi-arch__lang a{ display:flex; align-items:center; }\n.esi-arch__lang img{ display:block; width:22px; height:auto; border-radius:3px; }\n\n\/* ---- hero ---- *\/\n.esi-arch__hero{ padding-block:clamp(40px,6vw,72px); overflow:hidden; }\n.esi-arch__hero-in{ display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr)); gap:clamp(24px,4vw,56px); align-items:center; }\n.esi-arch__eyebrow{ display:flex; align-items:center; gap:10px; margin-bottom:18px; font-size:12.5px; font-weight:700; letter-spacing:1.4px; text-transform:uppercase; color:var(--warm-ink); }\n.esi-arch__dot{ width:8px; height:8px; border-radius:999px; background:var(--warm); flex:none; }\n.esi-arch__h1{ font-size:clamp(33px,5.4vw,46px); font-weight:900; line-height:1.15; letter-spacing:-.6px; color:var(--ink); text-wrap:balance; }\n.esi-arch__h1 span{ color:var(--link); }\n.esi-arch__lead{ margin-top:18px; font-size:clamp(15.5px,1.7vw,17.5px); line-height:1.8; color:var(--ink-soft); max-width:56ch; text-wrap:pretty; }\n.esi-arch__chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }\n.esi-arch__chip{ background:var(--tint-brand); color:var(--link); border-radius:999px; padding:9px 18px; font-size:14.5px; font-weight:600; display:inline-flex; gap:6px; align-items:center; }\n.esi-arch__chip--soft{ background:var(--tint); color:var(--ink-soft); }\n.esi-arch__chip--warm{ background:rgba(252,96,12,.10); color:var(--warm-ink); }\n\n.esi-arch__art{ position:relative; }\n.esi-arch__svg{ display:block; width:100%; height:auto; overflow:visible; }\n.esi-arch__svg .mast{ stroke:var(--deep); stroke-width:3; fill:none; stroke-linecap:round; stroke-linejoin:round; }\n.esi-arch__svg .mast--draw{ stroke-dasharray:1; stroke-dashoffset:1; animation:esi-arch-draw 1.6s var(--ease) .2s forwards; }\n.esi-arch__svg .ring{ fill:none; stroke:var(--brand); stroke-width:2.5; transform-box:fill-box; transform-origin:center; opacity:0; animation:esi-arch-ring 3.6s var(--ease) infinite; }\n.esi-arch__svg .ring:nth-child(2){ animation-delay:.9s } .esi-arch__svg .ring:nth-child(3){ animation-delay:1.8s } .esi-arch__svg .ring:nth-child(4){ animation-delay:2.7s }\n.esi-arch__svg .link{ fill:none; stroke:var(--brand-500); stroke-width:2; stroke-dasharray:7 9; stroke-linecap:round; animation:esi-arch-dash 1.4s linear infinite; }\n.esi-arch__svg .node{ fill:var(--surface); stroke:var(--brand); stroke-width:3; }\n.esi-arch__svg .node--warm{ stroke:var(--warm); }\n.esi-arch__svg .core{ fill:var(--link); }\n.esi-arch__svg .core--warm{ fill:var(--warm-ink); }\n.esi-arch__svg .beam{ fill:none; stroke:var(--brand); stroke-width:2; stroke-linecap:round; opacity:.55; transform-box:fill-box; transform-origin:100% 100%; animation:esi-arch-beam 3.6s var(--ease) infinite; }\n.esi-arch__svg .beam--2{ animation-delay:.5s; opacity:.35 }\n.esi-arch__svg .ground{ stroke:var(--line-strong); stroke-width:2; stroke-dasharray:4 8; stroke-linecap:round; }\n.esi-arch__svg .label{ font-family:var(--mono); font-size:11px; font-weight:700; fill:var(--ink-muted); letter-spacing:.5px; }\n.esi-arch__svg .meter{ fill:var(--surface); stroke:var(--line-strong); stroke-width:1.5; }\n.esi-arch__svg .trace{ fill:none; stroke:var(--warm-ink); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:1; stroke-dashoffset:1; animation:esi-arch-draw 2.2s var(--ease) .8s infinite alternate; }\n@keyframes esi-arch-draw{ to{ stroke-dashoffset:0 } }\n@keyframes esi-arch-ring{ 0%{ transform:scale(.25); opacity:0 } 12%{ opacity:.9 } 100%{ transform:scale(1); opacity:0 } }\n@keyframes esi-arch-dash{ to{ stroke-dashoffset:-32 } }\n@keyframes esi-arch-beam{ 0%,100%{ transform:scaleX(.6); opacity:.15 } 50%{ transform:scaleX(1); opacity:.6 } }\n\n\/* ---- section head ---- *\/\n.esi-arch__sec{ padding-block:clamp(32px,5vw,64px); }\n.esi-arch__sec--panel{ padding-block:0; margin-block:clamp(32px,5vw,64px); }\n.esi-arch__sechead{ display:flex; flex-wrap:wrap; gap:16px; align-items:baseline; justify-content:space-between; margin-bottom:28px; padding-bottom:18px; border-bottom:1px solid transparent; border-image:linear-gradient(to right,rgba(62,174,203,.55),rgba(62,174,203,.06) 62%,transparent) 1; }\n.esi-arch__panel .esi-arch__sechead{ border-image:linear-gradient(to right,rgba(92,230,230,.5),rgba(92,230,230,.05) 62%,transparent) 1; }\n.esi-arch__h2{ font-size:clamp(26px,3.6vw,40px); font-weight:800; line-height:1.2; letter-spacing:-.4px; color:var(--ink); }\n.esi-arch__h2--on-dark{ color:#fff; }\n.esi-arch__count{ font-size:14.5px; color:var(--ink-muted); }\n.esi-arch__count--on-dark{ color:var(--on-dark-soft); }\n.esi-arch__kick{ font-size:12.5px; font-weight:700; letter-spacing:1.4px; text-transform:uppercase; color:var(--cyan); margin-bottom:12px; }\n\n\/* ---- course grid ---- *\/\n.esi-arch__grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr)); gap:20px; counter-reset:course; }\n.esi-arch__card{ display:flex; flex-direction:column; overflow:hidden; position:relative; border-radius:22px; border:1px solid var(--line); background:var(--surface); box-shadow:var(--sh-rest); color:inherit; transition:box-shadow .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease); }\n.esi-arch__card:hover,.esi-arch__card:focus-visible{ box-shadow:var(--sh-hover); border-color:var(--brand); transform:translateY(-4px); color:inherit; }\n.esi-arch__media{ position:relative; overflow:hidden; background:var(--grad-mark); }\n.esi-arch__img{ width:100%; height:clamp(190px,18vw,230px); object-fit:cover; transition:transform .55s var(--ease); }\n.esi-arch__card:hover .esi-arch__img,.esi-arch__card:focus-visible .esi-arch__img{ transform:scale(1.05); }\n.esi-arch__media.is-missing .esi-arch__img{ display:none; }\n.esi-arch__fallback{ display:none; place-items:center; width:100%; height:clamp(190px,18vw,230px); padding:clamp(16px,3vw,28px); color:#fff; font-size:clamp(16px,2vw,20px); font-weight:700; line-height:1.5; text-align:center; text-wrap:balance; background:radial-gradient(120% 90% at 50% 0%,rgba(255,255,255,.20),rgba(255,255,255,0) 62%),var(--grad-mark); }\n.esi-arch__media.is-missing .esi-arch__fallback{ display:grid; }\n.esi-arch__media::after{ content:''; position:absolute; inset:0; background:linear-gradient(to top,rgba(9,42,52,.55),rgba(9,42,52,0) 60%); pointer-events:none; }\n\n.esi-arch__num{ position:absolute; z-index:2; inset-inline-start:16px; inset-block-start:16px; width:56px; height:56px; display:grid; place-items:center; color:#fff; font-family:var(--mono); font-size:17px; font-weight:800; letter-spacing:.5px; background:rgba(12,55,68,.55); backdrop-filter:blur(6px); border-radius:999px; }\n.esi-arch__num svg{ position:absolute; inset:0; width:100%; height:100%; transform:rotate(-90deg); }\n.esi-arch__num circle{ fill:none; stroke:var(--cyan); stroke-width:3; stroke-linecap:round; stroke-dasharray:1; stroke-dashoffset:0; transition:stroke-dashoffset 1.1s var(--ease) .25s; }\n.esi-arch__num-k{ position:absolute; z-index:2; inset-inline-end:14px; inset-block-start:18px; padding:6px 12px; font-size:11.5px; font-weight:700; letter-spacing:1.2px; text-transform:uppercase; color:#fff; background:rgba(252,96,12,.85); border-radius:999px; }\n.esi-arch__body{ display:flex; flex-direction:column; gap:12px; padding:20px 20px 22px; flex:1; }\n.esi-arch__t{ font-size:19px; font-weight:800; line-height:1.3; color:var(--ink); text-wrap:balance; }\n.esi-arch__t small{ display:block; margin-top:4px; font-size:14.5px; font-weight:600; color:var(--link); }\n.esi-arch__meta{ display:flex; flex-wrap:wrap; gap:8px 14px; font-size:13.5px; color:var(--ink-muted); }\n.esi-arch__meta b{ color:var(--ink); font-weight:700; }\n.esi-arch__tags{ display:flex; flex-wrap:wrap; gap:6px; }\n.esi-arch__tag{ padding:5px 11px; font-size:12.5px; line-height:1.4; color:var(--ink-soft); background:var(--tint); border-radius:999px; }\n.esi-arch__cta{ margin-top:auto; padding-top:14px; border-top:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:10px; font-size:14.5px; font-weight:700; color:var(--link); }\n.esi-arch__cta svg{ width:18px; height:18px; flex:none; transition:transform .3s var(--ease); }\n.esi-arch__card:hover .esi-arch__cta svg,.esi-arch__card:focus-visible .esi-arch__cta svg{ transform:translateX(4px); }\n\n\/* ---- dark steps panel ---- *\/\n.esi-arch__panel{ background:var(--grad-panel); border-radius:30px; padding:clamp(28px,4vw,56px); position:relative; overflow:hidden; box-shadow:var(--sh-lg-panel); color:#fff; }\n.esi-arch__panel::before{ content:''; position:absolute; inset-block-start:-42%; inset-inline-start:-14%; width:min(620px,88%); aspect-ratio:1; border-radius:999px; pointer-events:none; background:radial-gradient(circle,rgba(92,230,230,.20),rgba(92,230,230,0) 66%); }\n.esi-arch__panel::after{ content:''; position:absolute; inset-block-start:0; inset-inline:0; height:1px; pointer-events:none; background:linear-gradient(to right,transparent,rgba(255,255,255,.28),transparent); }\n.esi-arch__panel > *{ position:relative; }\n.esi-arch__steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr)); gap:16px; }\n.esi-arch__step{ padding:22px; border-radius:16px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease); }\n.esi-arch__step:hover{ border-color:var(--cyan); background:rgba(255,255,255,.12); transform:translateY(-3px); }\n.esi-arch__step-n{ font-family:var(--mono); font-size:13px; font-weight:700; color:var(--cyan); letter-spacing:1px; }\n.esi-arch__step h3{ margin-top:8px; font-size:17px; font-weight:800; line-height:1.35; color:#fff; }\n.esi-arch__step p{ margin-top:8px; font-size:14.5px; line-height:1.7; color:var(--on-dark-soft); }\n.esi-arch__step a{ color:var(--cyan); font-weight:700; }\n.esi-arch__track{ display:block; width:100%; height:auto; margin-bottom:8px; overflow:visible; }\n.esi-arch__track .rail{ fill:none; stroke:rgba(255,255,255,.18); stroke-width:3; stroke-dasharray:5 8; stroke-linecap:round; }\n.esi-arch__track .prog{ fill:none; stroke:var(--cyan); stroke-width:3; stroke-linecap:round; stroke-dasharray:1; stroke-dashoffset:1; transition:stroke-dashoffset 1.8s var(--ease) .2s; }\n.esi-arch__track .pin{ fill:var(--deepest); stroke:var(--cyan); stroke-width:3; transform-box:fill-box; transform-origin:center; transform:scale(0); transition:transform .45s var(--ease) calc(.3s + var(--i)*.6s); }\n.esi-arch__panel.is-in .esi-arch__track .prog{ stroke-dashoffset:0; }\n.esi-arch__panel.is-in .esi-arch__track .pin{ transform:scale(1); }\n\n\/* ---- footer ---- *\/\n.esi-arch__foot{ padding-block:40px; border-top:1px solid var(--line); margin-top:clamp(32px,5vw,64px); }\n.esi-arch__foot-in{ display:flex; flex-wrap:wrap; gap:20px; align-items:center; justify-content:space-between; }\n.esi-arch__foot-brand{ display:flex; align-items:center; gap:10px; }\n.esi-arch__copy{ font-size:13.5px; color:var(--ink-muted); }\n\n\/* ---- reveal (armed by JS only) ---- *\/\n.esi-arch--reveal.is-armed .esi-arch__card,.esi-arch--reveal.is-armed .esi-arch__step{ opacity:0; transform:translateY(14px); }\n.esi-arch--reveal.is-armed .esi-arch__card.is-in,.esi-arch--reveal.is-armed .esi-arch__step.is-in{ opacity:1; transform:none; transition:opacity .5s var(--ease),transform .5s var(--ease); }\n.esi-arch--reveal.is-armed .esi-arch__card:not(.is-in) .esi-arch__num circle{ stroke-dashoffset:1; }\n.esi-arch--reveal.is-armed .esi-arch__card.is-in:hover{ transform:translateY(-4px); }\n.esi-arch--reveal.is-armed .esi-arch__step.is-in:hover{ transform:translateY(-3px); }\n\n@media (prefers-reduced-motion:reduce){\n  .esi-arch *,.esi-arch *::before,.esi-arch *::after{ transition:none !important; animation:none !important; }\n  .esi-arch--reveal.is-armed .esi-arch__card,.esi-arch--reveal.is-armed .esi-arch__step{ opacity:1; transform:none; }\n  .esi-arch__card:hover,.esi-arch__card:focus-visible,.esi-arch__step:hover,\n  .esi-arch__card:hover .esi-arch__img,.esi-arch__card:focus-visible .esi-arch__img,\n  .esi-arch__card:hover .esi-arch__cta svg{ transform:none; }\n  .esi-arch__svg .mast--draw,.esi-arch__track .prog{ stroke-dashoffset:0; }\n  .esi-arch__svg .ring{ opacity:.35; transform:scale(.7); }\n  .esi-arch__svg .beam{ opacity:.5; }\n  .esi-arch__track .pin{ transform:scale(1); }\n  .esi-arch__num circle{ stroke-dashoffset:0 !important; }\n  .esi-arch__live{ box-shadow:none; }\n}\n<\/style>\n\n<div class=\"esi-arch esi-arch--reveal\" dir=\"ltr\" lang=\"en\">\n\n  <header class=\"esi-arch__bar\">\n    <div class=\"esi-arch__wrap esi-arch__bar-in\">\n      <a class=\"esi-arch__brand\" href=\"https:\/\/esi.edu.sa\/\"><img decoding=\"async\" class=\"esi-arch__logo\" src=\"https:\/\/esi.edu.sa\/wp-content\/uploads\/2025\/05\/logo.png\" alt=\"Engineering Sciences Institute for Training\"><\/a>\n      <span class=\"esi-arch__where\"><span class=\"esi-arch__live\" aria-hidden=\"true\"><\/span>Registration open \u00b7 7 courses<\/span>\n      <span class=\"esi-arch__lang\">\n<div role=\"navigation\" aria-label=\"Language Switcher\" class=\"wpml-ls-statics-shortcode_actions wpml-ls wpml-ls-legacy-list-horizontal\">\n\t<ul><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-ar wpml-ls-first-item wpml-ls-last-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/esi.edu.sa\/\" hreflang=\"ar\" lang=\"ar\" class=\"wpml-ls-link\" aria-label=\"Switch to Arabic\" title=\"Switch to Arabic\">\n\t\t\t\t\t                                    <img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/esi.edu.sa\/wp-content\/uploads\/flags\/ar.png\"\n            alt=\"Arabic\"\n            loading=\"lazy\"\n            width=18\n            height=12\n    \/><\/a>\n\t\t\t<\/li><\/ul>\n<\/div>\n<\/span>\n    <\/div>\n  <\/header>\n\n  <section class=\"esi-arch__hero\" id=\"esi-arch-top\">\n    <div class=\"esi-arch__wrap esi-arch__hero-in\">\n      <div>\n        <div class=\"esi-arch__eyebrow\"><span class=\"esi-arch__dot\"><\/span>Technical training \u00b7 Telecom, RF &amp; Fiber<\/div>\n        <h1 class=\"esi-arch__h1\">TETRA, RF, Microwave &amp; Optical Fiber Systems <span>Training Courses<\/span><\/h1>\n        <p class=\"esi-arch__lead\">Seven practical, hands-on courses for telecom and RF engineers and technicians \u2014 from TETRA and DAS\/IDAS systems to RF cable VSWR testing, FAT\/SAT commissioning, GE MDS offshore UHF radio, microwave &amp; GSM technologies and optical fiber systems. Pick a course to open its page and register.<\/p>\n        <div class=\"esi-arch__chips\"><span class=\"esi-arch__chip\"><b>7<\/b> courses<\/span><span class=\"esi-arch__chip\"><b>27<\/b> training modules<\/span><span class=\"esi-arch__chip\"><b>211<\/b> topics<\/span><span class=\"esi-arch__chip esi-arch__chip--soft\">Hands-on labs &amp; exercises<\/span><span class=\"esi-arch__chip esi-arch__chip--warm\">No payment required online<\/span><\/div>\n      <\/div>\n      <div class=\"esi-arch__art\"><svg class=\"esi-arch__svg\" viewBox=\"0 0 520 360\" aria-hidden=\"true\">\n  <line class=\"ground\" x1=\"20\" y1=\"318\" x2=\"500\" y2=\"318\"><\/line>\n  <g class=\"mast mast--draw\" pathLength=\"1\">\n    <path pathLength=\"1\" d=\"M130 318 L150 90 L170 318 M136 250 L164 250 M141 190 L159 190 M146 140 L154 140 M150 90 L150 60\"><\/path>\n  <\/g>\n  <path class=\"mast\" d=\"M141 118 l-12 -4 v22 l12 4z M159 118 l12 -4 v22 l-12 4z\"><\/path>\n  <g>\n    <circle class=\"ring\" cx=\"150\" cy=\"60\" r=\"70\"><\/circle>\n    <circle class=\"ring\" cx=\"150\" cy=\"60\" r=\"70\"><\/circle>\n    <circle class=\"ring\" cx=\"150\" cy=\"60\" r=\"70\"><\/circle>\n    <circle class=\"ring\" cx=\"150\" cy=\"60\" r=\"70\"><\/circle>\n  <\/g>\n  <path class=\"link\" d=\"M158 62 C 260 20, 340 40, 430 150\"><\/path>\n  <path class=\"mast\" d=\"M430 318 L430 150 M416 165 L444 165 M420 190 L440 190\"><\/path>\n  <circle class=\"node node--warm\" cx=\"430\" cy=\"150\" r=\"10\"><\/circle><circle class=\"core core--warm\" cx=\"430\" cy=\"150\" r=\"4\"><\/circle>\n  <circle class=\"node\" cx=\"150\" cy=\"60\" r=\"10\"><\/circle><circle class=\"core\" cx=\"150\" cy=\"60\" r=\"4\"><\/circle>\n  <path class=\"beam\" d=\"M172 116 l55 -22\"><\/path>\n  <path class=\"beam beam--2\" d=\"M172 128 l60 -8\"><\/path>\n  <rect class=\"meter\" x=\"250\" y=\"228\" width=\"150\" height=\"90\" rx=\"12\"><\/rect>\n  <path class=\"trace\" pathLength=\"1\" d=\"M264 296 L280 292 L292 300 L306 268 L318 300 L332 286 L346 296 L360 250 L372 296 L386 290\"><\/path>\n  <text class=\"label\" x=\"264\" y=\"248\">VSWR \u00b7 RETURN LOSS<\/text>\n  <text class=\"label\" x=\"112\" y=\"345\">BASE STATION<\/text>\n  <text class=\"label\" x=\"384\" y=\"345\">REMOTE SITE<\/text>\n<\/svg><\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-arch__sec\" id=\"esi-arch-courses\">\n    <div class=\"esi-arch__wrap\">\n      <div class=\"esi-arch__sechead\"><h2 class=\"esi-arch__h2\">The courses<\/h2><span class=\"esi-arch__count\">7 courses \u00b7 numbered in the recommended learning order<\/span><\/div>\n      <div class=\"esi-arch__grid\">\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/tetra-radio-systems\/\" aria-label=\"Course 01: TETRA (Terrestrial Trunked Radio) System \u2013 Installation, Testing, Commissioning &amp; Handheld Radio Programming\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1602823284936-463177448097?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">TETRA Radio System<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>01<\/span>\n          <span class=\"esi-arch__num-k\">Course 01<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">TETRA (Terrestrial Trunked Radio) System<small>Installation, Testing, Commissioning &amp; Handheld Radio Programming<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>5<\/b> modules<\/span><span><b>43<\/b> topics<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">TETRA architecture &amp; standards<\/span><span class=\"esi-arch__tag\">Handheld programming &amp; fleet mapping<\/span><span class=\"esi-arch__tag\">Maintenance &amp; troubleshooting<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/distributed-antenna-system\/\" aria-label=\"Course 02: Distributed Antenna Systems (DAS\/IDAS)\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1643155193188-38eb08e2b54f?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">Distributed Antenna Systems (DAS\/IDAS)<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>02<\/span>\n          <span class=\"esi-arch__num-k\">Course 02<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">Distributed Antenna Systems (DAS\/IDAS)<small>In-building TETRA\/GSM communication systems<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>2<\/b> modules<\/span><span><b>18<\/b> topics<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">Passive &amp; active components<\/span><span class=\"esi-arch__tag\">Link budget &amp; antenna isolation<\/span><span class=\"esi-arch__tag\">Repeater gain, FAT &amp; SAT<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/rf-cable-installation\/\" aria-label=\"Course 03: RF Cables VSWR, DTF-VSWR, Return Loss &amp; Cable Loss Testing and Reporting Preparation\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1511233744044-194342066754?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">RF Cables VSWR &amp; DTF-VSWR Testing<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>03<\/span>\n          <span class=\"esi-arch__num-k\">Course 03<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">RF Cables VSWR &amp; DTF-VSWR Testing<small>Return Loss, Cable Loss &amp; Reporting Preparation<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>4<\/b> modules<\/span><span><b>25<\/b> topics<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">Cable pulling &amp; connector termination<\/span><span class=\"esi-arch__tag\">Site Master &amp; fault location<\/span><span class=\"esi-arch__tag\">Test reporting<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/sat-fat-rf-testing\/\" aria-label=\"Course 04: SAT &amp; FAT, RF Testing, Installation &amp; Commissioning Procedures\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1533664488202-6af66d26c44a?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">SAT &amp; FAT, RF Testing<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>04<\/span>\n          <span class=\"esi-arch__num-k\">Course 04<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">SAT &amp; FAT, RF Testing<small>Installation &amp; Commissioning Procedures<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>5<\/b> modules<\/span><span><b>37<\/b> topics<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">Preparing &amp; executing FAT \/ SAT<\/span><span class=\"esi-arch__tag\">RF system testing<\/span><span class=\"esi-arch__tag\">Documentation &amp; handover<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/basic-configuration-testing\/\" aria-label=\"Course 05: GE MDS \/ Offshore UHF Radio Systems \u2013 Basic Configuration, Testing &amp; Commissioning\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1681735342773-d452708e87e7?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">GE MDS \/ Offshore UHF Radio Systems<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>05<\/span>\n          <span class=\"esi-arch__num-k\">Course 05<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">GE MDS \/ Offshore UHF Radio Systems<small>Basic Configuration, Testing &amp; Commissioning<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>3<\/b> days<\/span><span><b>37<\/b> topics<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">GE MDS Master\/Slave<\/span><span class=\"esi-arch__tag\">Antenna alignment &amp; RF measurements<\/span><span class=\"esi-arch__tag\">SAT documentation<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/microwave-radio-systems\/\" aria-label=\"Course 06: Microwave Radio Systems &amp; GSM Technologies (2G\u20135G)\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1632277232577-09bcf876d6fb?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">Microwave Radio Systems &amp; GSM<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>06<\/span>\n          <span class=\"esi-arch__num-k\">Course 06<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">Microwave Radio Systems &amp; GSM<small>RF fundamentals, 2G\u20135G evolution &amp; mobile backhaul<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>4<\/b> modules<\/span><span><b>22<\/b> topics<\/span><span><b>6<\/b> days<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">Microwave link architecture<\/span><span class=\"esi-arch__tag\">Link budget &amp; VSWR<\/span><span class=\"esi-arch__tag\">GSM 2G\u20135G evolution<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <a class=\"esi-arch__card\" href=\"https:\/\/esi.edu.sa\/en\/optical-fiber-systems\/\" aria-label=\"Course 07: Optical Fiber Systems \u2013 Fundamentals, Installation, Testing &amp; Troubleshooting\">\n        <div class=\"esi-arch__media\" data-esi-img=\"\">\n          <img class=\"esi-arch__img\" src=\"https:\/\/images.unsplash.com\/photo-1558494949-ef010cbdcc31?auto=format&amp;fit=crop&amp;w=900&amp;h=560&amp;q=75\" alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"560\">\n          <div class=\"esi-arch__fallback\">Optical Fiber Systems<\/div>\n          <span class=\"esi-arch__num\" aria-hidden=\"true\"><svg viewBox=\"0 0 56 56\"><circle cx=\"28\" cy=\"28\" r=\"25\" pathLength=\"1\"><\/circle><\/svg>07<\/span>\n          <span class=\"esi-arch__num-k\">Course 07<\/span>\n        <\/div>\n        <div class=\"esi-arch__body\">\n          <h3 class=\"esi-arch__t\">Optical Fiber Systems<small>Fundamentals, installation, testing &amp; troubleshooting<\/small><\/h3>\n          <div class=\"esi-arch__meta\"><span><b>4<\/b> modules<\/span><span><b>29<\/b> topics<\/span><span><b>4<\/b> days<\/span><\/div>\n          <div class=\"esi-arch__tags\"><span class=\"esi-arch__tag\">OTDR &amp; link budget<\/span><span class=\"esi-arch__tag\">Fusion splicing &amp; ODF<\/span><span class=\"esi-arch__tag\">Fiber network design<\/span><\/div>\n          <span class=\"esi-arch__cta\">View course &amp; register <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 12h14M13 6l6 6-6 6\"><\/path><\/svg><\/span>\n        <\/div>\n      <\/a>\n\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-arch__sec esi-arch__sec--panel\">\n    <div class=\"esi-arch__wrap\">\n      <div class=\"esi-arch__panel\" data-esi-panel=\"\">\n        <div class=\"esi-arch__sechead\"><div><div class=\"esi-arch__kick\">How it works<\/div><h2 class=\"esi-arch__h2 esi-arch__h2--on-dark\">Registration in three steps<\/h2><\/div><span class=\"esi-arch__count esi-arch__count--on-dark\">No payment required online<\/span><\/div>\n        <svg class=\"esi-arch__track\" viewBox=\"0 0 1000 40\" aria-hidden=\"true\">\n          <path class=\"rail\" d=\"M40 20 H960\"><\/path>\n          <path class=\"prog\" pathLength=\"1\" d=\"M40 20 H960\"><\/path>\n          <circle class=\"pin\" style=\"--i:0\" cx=\"40\" cy=\"20\" r=\"9\"><\/circle><circle class=\"pin\" style=\"--i:1\" cx=\"500\" cy=\"20\" r=\"9\"><\/circle><circle class=\"pin\" style=\"--i:2\" cx=\"960\" cy=\"20\" r=\"9\"><\/circle>\n        <\/svg>\n        <div class=\"esi-arch__steps\">\n          <div class=\"esi-arch__step\"><div class=\"esi-arch__step-n\">STEP 01<\/div><h3>Choose your course<\/h3><p>Open the course page to read the overview, modules, objectives and who should attend.<\/p><\/div>\n          <div class=\"esi-arch__step\"><div class=\"esi-arch__step-n\">STEP 02<\/div><h3>Submit the registration form<\/h3><p>It takes under two minutes and no payment is required at this stage.<\/p><\/div>\n          <div class=\"esi-arch__step\"><div class=\"esi-arch__step-n\">STEP 03<\/div><h3>We confirm your seat<\/h3><p>The ESI admissions team contacts you to confirm the schedule and complete the process. Enquiries: <a href=\"tel:920009474\"><span class=\"esi-arch__mono\">920009474<\/span><\/a><\/p><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <footer class=\"esi-arch__foot\">\n    <div class=\"esi-arch__wrap esi-arch__foot-in\">\n      <span class=\"esi-arch__foot-brand\"><img decoding=\"async\" class=\"esi-arch__logo esi-arch__logo--foot\" src=\"https:\/\/esi.edu.sa\/wp-content\/uploads\/2025\/05\/logo.png\" alt=\"\"><\/span>\n      <span class=\"esi-arch__copy\">Engineering Sciences Institute for Training \u00b7 All rights reserved \u00b7 <span class=\"esi-arch__mono\">2026<\/span><\/span>\n    <\/div>\n  <\/footer>\n<\/div>\n\n<script>\n(function () {\n  'use strict';\n  var roots = document.querySelectorAll('.esi-arch--reveal:not(.is-armed)');\n  if (!roots.length) return;\n  Array.prototype.forEach.call(document.querySelectorAll('.esi-arch [data-esi-img]'), function (m) {\n    var img = m.querySelector('img'); if (!img) return;\n    var miss = function () { m.classList.add('is-missing'); };\n    if (!img.getAttribute('src')) return miss();\n    if (img.complete && img.naturalWidth === 0) miss();\n    img.addEventListener('error', miss);\n  });\n  var still = window.matchMedia('(prefers-reduced-motion: reduce)').matches;\n  if (still || !('IntersectionObserver' in window)) {\n    Array.prototype.forEach.call(document.querySelectorAll('.esi-arch [data-esi-panel]'), function (p) { p.classList.add('is-in'); });\n    return;\n  }\n  var io = new IntersectionObserver(function (entries) {\n    entries.forEach(function (en) {\n      if (!en.isIntersecting) return;\n      var t = en.target;\n      if (t.hasAttribute('data-esi-panel')) t.classList.add('is-in');\n      var items = Array.prototype.slice.call(t.querySelectorAll('.esi-arch__card, .esi-arch__step'));\n      items.forEach(function (el, i) {\n        el.style.transitionDelay = Math.min(i, 7) * 90 + 'ms';\n        el.classList.add('is-in');\n        el.addEventListener('transitionend', function h() { el.style.transitionDelay = ''; el.removeEventListener('transitionend', h); });\n      });\n      io.unobserve(t);\n    });\n  }, { threshold: 0.08, rootMargin: '0px 0px -40px 0px' });\n  Array.prototype.forEach.call(roots, function (root) {\n    root.classList.add('is-armed');\n    root.querySelectorAll('.esi-arch__grid, [data-esi-panel]').forEach(function (g) { io.observe(g); });\n  });\n})();\n<\/script>\n\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2087,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-37018","page","type-page","status-publish","infinite-scroll-item","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/pages\/37018","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/users\/2087"}],"replies":[{"embeddable":true,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/comments?post=37018"}],"version-history":[{"count":7,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/pages\/37018\/revisions"}],"predecessor-version":[{"id":37682,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/pages\/37018\/revisions\/37682"}],"wp:attachment":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/media?parent=37018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}