103 cinematic scenes synced to 52 minutes of narration. From power-on to first data packet — PSS, SSS, PBCH, RACH, RRC, 5G-AKA, PDU session. Built by a working 5G engineer. Chapter 1 & 2 are free — sign up to unlock the rest.
No payment · No spam · Sign up only required after Chapter 2.
Every step from power-on to your first data packet. The first two chapters are unlocked — sign up free to continue from Chapter 3.
Every animation drawn frame-by-frame on a single canvas, hand-synced to narration. No stock footage, no recycled diagrams.
Dark-space backgrounds, parallax stars, lens flares, gradient typography, glassmorphic info panels. Designed like a Netflix series, not a PowerPoint.
Real GSCN, NR-ARFCN, MILENAGE, ECIES formulas overlaid on the animation. TS 38.101, 38.211, 38.213, 38.300, 33.501 cited per scene.
One human voice — no robotic TTS — guiding you through every step. Audio scrubs to any chapter.
Renders on a single HTML canvas. Phone, tablet, laptop, 4K monitor — same razor-sharp output.
Free signup, unlimited re-watches. No expiry, no DRM.
Made by Abhijeet Kumar — practicing telecom engineer running CafeTele. Not an AI-generated explainer.
Three steps. No friction.
Chapter 1 (Introduction) starts immediately. No login, no email, no card.
Get a real sense of the cinematic style — narration, math, animations — before committing.
One short form, no payment, and the remaining 27 chapters unlock instantly. Your account works across all CafeTele content.
Quick answers. If you have more questions, ping us on the contact page.
Yes. Chapters 1 and 2 require no account at all. Chapters 3-29 unlock with a free sign-up — no payment, no card, no upsell at the end.
Yes. The course renders on a single HTML canvas and the narration streams in chunks (HTTP range support), so seeking around chapters is fast on mobile.
Yes. Each chapter cites the relevant TS document and section. Math overlays (GSCN, NR-ARFCN, MILENAGE, ECIES) reproduce the spec equations verbatim — not paraphrased.
Two reasons: it lets us keep your progress across devices, and it helps us understand who is watching so we can build more advanced courses.
No. The address is used only for your CafeTele account. You'll get the occasional notification when new courses ship — that's it. Unsubscribe in one click.
Not yet. We may add an MP3 download for signed-in users in a future update — let us know if you want it.
Abhijeet Kumar — practicing telecom engineer, CafeTele founder. The animations, narration, math overlays and signal processing diagrams are all hand-built.
Chapter 1 is one click away. No card. No spam. Just the cleanest 5G NR walkthrough you've ever seen.
Start watching free