- Capacity increases.
- Reduced RF transmission power and longer battery life.
- International roaming capability.
- Better security against fraud (through terminal validation and user authentication).
- Encryption capability for information security and privacy.
- Compatibility with ISDN,leading to wider range of services.
1. Mobile telephony.
2. GSM-R.
3. Telemetry System:
- Fleet management.
- Automatic meter reading.
- Toll Collection.
- Remote control and fault reporting of DG sets.
4. Value Added Services.