2GIG 3GA-A-GC3 - GC3 AT&T 3G Cellular Communicator Videos

What Is Cellular Alarm Monitoring

Cellular communication is a major feature of the 2GIG GC2. Performing a cell unit test will determine if your service works properly.

We outline the simple process of swapping out the old radio for a new cellular radio on your 2GIG GC3 wireless security system in this video.

The comprehensive tutorial provided in this video shows you how to install the 3GA-A-GC3 cellular radio in your 2GIG GC3 wireless security system.

NOTE: Firmware upgradability is only available for the L5200, L5210, and L7000. The L5200 requires an over-the-air update, which can only be initiated by Resideo technical support. The L5210 and the L7000 can be upgraded using the Honeywell LYNXTOUCH-MSD Firmware Updater Tool, which can be purchased separately.