From: Mobile M2M communication architectures, upcoming challenges, applications, and future directions
Sr | M2M communications networks |
---|---|
1 | Short-range devices (SRDs) |
2 | Ultra wide band (UWB) |
3 | Satellite |
4 | GSM, UMTS, LTE, LTE-A |
5 | Wireless LAN |
6 | WiMAX |
7 | xDSL |