👍Support WIFI and GSM dual network(you can use GSM if there ... delay arm and timely arm 👍The home alarm system can add a total of up to 100 sensors and 2 wired sensors, no longer have ...

👍Support WIFI and GSM dual network(you can use GSM if there ... delay arm and timely arm 👍The home alarm system can add a total of up to 100 sensors and 2 wired sensors, no longer have ...

The GSM/GPRS module is an easy to add plug-in module that enables the system to communicate over the GPRS/GSM networks for reporting, control and programming. It can be used as the primary ...

In addition to the standard PSTN connection, the SD3 also has an integral, full-function GSM module enabling it to use any of the ... buildings or rooms never get to too cold if the heating system ...