2G, 3G, 4G Course
This course provides comprehensive mastery of 2G, 3G, and 4G networks end-to-end. Explore GSM, UMTS, LTE architectures, signaling flows, mobility management, QoS, VoLTE, security, and multi-RAT interworking. Learn to design, optimize, troubleshoot real telecom networks confidently using practical traces and 3GPP standards.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain a clear, practical understanding of 2G, 3G, and 4G mobile networks from end to end. Master identifiers, radio fundamentals, GSM, UMTS, LTE architectures, signaling, QoS, mobility, security, multi-RAT interworking, troubleshooting with traces, key 3GPP specs, and modernization strategies for confident network design and optimization.
Elevify advantages
Develop skills
- Master 2G/3G/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 quickly, including NAS, S1AP, GTP, MAP, and ISUP.
- Plan multi-RAT modernization, refarming spectrum, sizing capacity, and ensuring QoS.
- Troubleshoot KPIs rapidly, resolving drops, access failures, and throughput problems.
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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