The most comprehensive telecom interview prep on the internet. Real questions across Testing · RF · Optimization · Core · Transport roles, with a cinematic AI mock interviewer that asks, scores, and coaches you in real time.
Four paths, one goal. Start where matters most for your interview — switch any time.
1,214 hand-crafted 3GPP-cited questions across 11 roles. Basic · Medium · Advanced tiers. Real interview distractors. Click-to-copy spec refs.
15-test progressive program targeted at Qualcomm · Intel · MediaTek · Apple · Samsung · Ericsson · Nokia · Huawei. Focused RF depth.
Dedicated role programs: Testing Engineer (DT · TEMS · KPI · field RCA) + RF Engineer. In-depth vendor scenarios.
Maya AI interviewer · 5,029-question bank · timed mock interview (30 Qs / 45 min) · per-topic scoring · in-page below.
Real questions sourced from Glassdoor + techplayon + designed scenarios. Written in conversational interviewer tone — like a real hiring panel asking you. Counts shown are live + grow weekly as we add more questions.
Real questions for Cellular Protocol Development, iOS Wireless, Modem Test, Cellular Software roles. Conversational style — like a real Apple panel walks you through it.
Real questions for Modem Systems Engineer, Modem Test, 5G Software, Modem Firmware. Hexagon DSP, QXDM tooling, SDX65/70/75, AI-modem, mmWave.
Real questions for Dimensity 9400, M80 modem, OEM customization (Xiaomi/Oppo/Vivo), HSR scenarios, AI APU integration, gaming-phone perf.
A real telecom loop has three rounds — and now you can rehearse all of them: a timed mock interview with a hire verdict, the scenario round (diagnose a broken network step by step), and the behavioral round (STAR model answers). Scored and coached throughout.
Follow this 14-day journey. 45-90 minutes per day. By day 14 you will be interview-ready.
From sign-in to job offer in five clear moves. Keyboard shortcuts make it fast.
Login at cafetele.com with the email you paid with. Your purchase unlocks all 4 paths.
Click the green Elite Quiz card above. No additional login required for the quiz itself.
Choose from 11 roles. Start at Basic. Progress Basic → Medium → Advanced.
Quick (10 Qs, untimed) · Mock (30 Qs, 90s/Q timed) · Marathon (all available Qs).
Click 3GPP spec refs to dive deeper. Drill weak topics until 90%+ accuracy.
Every drill you complete in the Elite Quiz lands here. Track which roles you have mastered and where you need more practice.
No attempts yet. Click any Day card in the roadmap above to start a drill — your scores will appear here.
Open Elite Quiz →Each role pack drills the exact things hiring panels actually ask — from KPI math to vendor traps to behavioral STAR responses. The five Master Tracks below have full dedicated prep pages; nine more specialist banks — PHY, MAC, RLC, PDCP, SDAP, Developer, plus Apple, Qualcomm and MediaTek company tracks — are drillable in the mock interview simulator.
Drive test, post-process, KPI validation, lab benches — TEMS · Nemo · Atoll · DT logs.
📚 1,005 QsLink budgets, antenna planning, propagation models, beamforming, mmWave, mMIMO.
📚 1,009 QsKPI hunting, RCA, parameter tuning, neighbor planning, vendor traps — Ericsson · Huawei · Nokia.
📚 1,005 Qs5GC SBA, AMF·SMF·UPF call flows, IMS, slicing, K8s NF deployment, signaling traces.
📚 1,005 QsIP/MPLS · SR · BGP · OSPF · DWDM · OTN · fronthaul · F1/E1 · 1588 sync · microwave.
📚 1,005 QsDon't just memorise. Learn the reasoning, drill under pressure, then prove it on a timed certification exam — and walk in with a certificate in hand.
Open-book study cards: every question with the correct answer and a full explanation. Filter by topic, bookmark the hard ones. Zero pressure, pure understanding.
Quick drills and timed 30-question mock interviews with instant feedback and per-topic scoring, so you know exactly where you're weak before the real thing.
Sit the 50-question, 60-minute certification exam — no hints, just like the real panel. Score 70%+ to PASS and download a personalised CafeTele certificate.
More tracks — RF, Core, Optimization, Transport, PHY/MAC/RLC/PDCP/SDAP, plus Apple · Qualcomm · MediaTek — are all live in the simulator: open it and pick any role.
Other prep sites give you a PDF. We built a full simulator that mimics the hiring loop, second-by-second.
Maya — your cinematic mock interviewer — asks questions one at a time with realistic typing and timing pressure. Same vibe as a real panel.
30 questions in 45 minutes. Per-question countdown. Final report card with scoring, strengths, and exact gaps to study.
Filter by topic — RACH, KPI counters, BGP route reflection, PFCP signaling — and grind it until it's instinct.
Real questions ask about Ericsson parameters, Huawei MML commands, Nokia LCM IDs. The stuff that sinks 80% of candidates.
After every session, see your score broken down by topic. Know exactly what to study before the real interview.
Wrong answers re-surface. Daily challenge keeps you sharp. Streak tracker keeps you accountable.
One-time. 1-year access. No subscription.
Testing · RF · Optimization · Core · Transport. Or train across all 5.
30-question timed sessions, 45-minute clock. Just like the real thing.
Read your weak-spot report. Drill the gaps. Pass the interview.
6,243 to be precise — 5,029 across the five core engineering roles (Testing, RF, Optimization, Core, Transport; roughly 1,005–1,009 each) plus 1,214 hand-crafted, 3GPP-cited questions across nine more specialist banks: PHY, MAC, RLC, PDCP, SDAP, Developer, and company tracks for Apple, Qualcomm and MediaTek. Every question includes the right answer and a detailed explanation.
They're built from the question patterns hiring panels actually ask at Ericsson, Huawei, Nokia, Samsung, ZTE, Reliance Jio, Airtel, Vodafone Idea, BT, Verizon, AT&T, T-Mobile and tier-1 OEMs. Each role has fundamentals, scenarios, vendor traps, KPI math, and behavioral.
Yes — the live AI interviewer demo on this page is free to watch. The full 6,000+ question bank and the timed mock-interview simulator unlock after a one-time ₹999 / $9.99 payment.
1 year of full access from purchase date. Single payment. Renew anytime to keep going. All question additions made during your active year are included automatically.
Yes. Sign-up is mandatory because we tie your purchase, progress and weak-spot data to your account so you can resume sessions across devices.
Any modern browser — desktop, laptop, iPad, Android tablet, phone. The mock interview simulator works best on a tablet or larger.
Stop reading PDFs. Start running mock interviews. The next one might be your dream job.
Select the role you're interviewing for. We'll tailor the question set.