The 2GIG 3GA-A-GC3 is the AT&T cellular radio for the GC3. This allows anyone to use the AT&T network to send out signals if a good AT&T signal can be detected where their panel is mounted.
Features: - 3G (HSPA) cellular telephone module
- Provides 2-way voice communication
- Works on AT&T network
- Plugs into Control Panel
- Compatible with Alarm.com
- Includes external 2GIG-ANT3X antenna