2G, 3G, 4G Course
This course provides comprehensive end-to-end mastery of 2G, 3G, and 4G networks, including GSM, UMTS, LTE architecture, signaling flows, mobility management, QoS, VoLTE, security, and multi-RAT interworking. Learners will gain skills to design, optimize, troubleshoot, and modernize real telecom networks effectively using practical traces and 3GPP specs.

4 to 360h flexible workload
certificate valid in your country
What will I learn?
Gain a practical understanding of 2G, 3G, and 4G mobile networks from end to end, covering identifiers, radio fundamentals, GSM, UMTS, and LTE architectures, signaling, QoS, mobility, security, multi-RAT interworking, troubleshooting with traces, key 3GPP standards, and modernization strategies for confident network design and optimization.
Elevify advantages
Develop skills
- Master 2G, 3G, and 4G call flows by tracing voice, SMS, and data end-to-end.
- Analyze GSM, UMTS, and LTE core networks, mapping elements, roles, and connections.
- Decode signaling traces efficiently, including NAS, S1AP, GTP, MAP, and ISUP protocols.
- Plan multi-RAT modernization, including spectrum refarming, capacity sizing, and QoS.
- Troubleshoot KPIs rapidly to resolve drops, access failures, and throughput problems.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students are saying
Your classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons get straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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