What cellular carriers do the AlarmAgent.com WRTU use?
AlarmAgent.com Wireless Service Information
Current version of AlarmAgent (v7.0-nma1.20) uses 4G LTE technology from AT&T
AlarmAgent units (v5.2 - v6.1.21) use 3G GSM technology from AT&T
Older AlarmAgent units (v2.6 - v5.1) use CDMA technology from T-Mobile (formerly Sprint)
If you would like to know what your AlarmAgent.com WRTU model is compatible with please contact the factory and provide the serial number of your unit.