The UCM/4G7608 is the replacement for UCM/4G which supports 4G or LTE Networks with VoLTE.
The features supported by the UCMA/4G7608 are;
UCM/4G will no longer be produced.
Differences between UCM/4G and UCMA/4G7608
The features supported by the UCMA/4G7608 are;
- DTMF Key Detected messages by the GSM Module. This means better DTMF detection by the GSM Module itself compared to Comfort\'s DTMF detection
- Real Time Clock update by Internet Time Server (SNTP service). see http://www.comfortforums.com/forum48/5423.html
- Dual Antennas on the GSM submodule allow better reception
- Send SMS or Voice calls to Mobile Phones for any alarm
- Dial to Central Monitoring Stations when alarms occur
- Receive SMS from authorised phones to control Security and appliances
- Allow Phone calls from phones to access the Comfort Voice Menu

UCM/4G will no longer be produced.
Differences between UCM/4G and UCMA/4G7608
- UCM/4G does not support VoLTE (Voice Over LTE). It uses 3G Voice band for Voice calls, but it uses 4G for SMS. It will not be able to make voice calls without a 3G network
- UCMA/4G7608 supports VoLTEso will do Voice Dialing over 4G
- UCM/4G7608 Baseboard is with the new ARM Processor. The 7608 GSM Submodule cannot be plugged into the base UCM4G PCB