Evolution of GMR-1
GSM (Phase 2)
- Voice
- Data up to 9.6 kbps
- SMS, cell broadcast
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-
UMTS(3GPP)
- Specification in progress
- GMR-1 (Phase 2)
- Voice
- Data up to 9.6 kbps
- SMS, cell broadcast
- Position-based services, etc.
- GMR-1 (Phase 2+): Satellite (S-GPRS)
- GMR-1 (Phase 2+): Enhanced (ES-GPRS)