2G, 3G, 4G Course
Master 2G, 3G, and 4G networks end-to-end. Learn GSM, UMTS, LTE architecture, signaling, mobility, QoS, VoLTE, and multi-RAT interworking so you can design, optimize, and troubleshoot real telecom networks with confidence.

4 to 360 hours of flexible workload
valid certificate in your country
What Will I Learn?
This 2G, 3G, 4G Course gives you a clear, practical view of how modern mobile networks work end to end. You will learn identifiers, radio basics, GSM, UMTS, and LTE architectures, signaling flows, QoS, mobility, and security. The course also covers multi-RAT interworking, troubleshooting with real traces, key 3GPP specs, and smart modernization strategies so you can design, optimize, and evolve networks with confidence.
Elevify Differentials
Develop Skills
- Master 2G/3G/4G call flows: trace voice, SMS and data end-to-end.
- Analyze GSM, UMTS and LTE cores: map network elements, roles and links.
- Decode signaling traces fast: NAS, S1AP, GTP, MAP and ISUP in practice.
- Plan multi-RAT modernization: refarm spectrum, size capacity and QoS.
- Troubleshoot KPIs quickly: fix drops, access failures and throughput issues.
Suggested Summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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