2GIG LTEA-A-GC3 4G LTE Communicator on AT&T for GC3/GC3e and Alarm.com

Deliver dependable cellular monitoring and faster service response with the 2GIG LTEA-A-GC3 4G LTE communicator. Designed for 2GIG GC3 and GC3e control panels, this Alarm Communicator Module uses AT&T’s dedicated LTE network and native VoLTE to keep alarm signals and two-way voice clear and secure. The end-user replaceable cell sled makes upgrades and field maintenance simple—avoiding unnecessary truck rolls and lowering long-term service costs. With plug-and-play installation and compatibility with GC3/GC3e panels running firmware 3.2.3 or newer, commissioning is fast and installer-friendly. Dual LTE antennas maximize cellular reception across USA and Canada, improving reliability for alarm monitoring, remote access, and smart home device control through Alarm.com. Ideal for new builds, retrofits, and commercial deployments where uninterrupted security and surveillance connectivity matters. Order the 2GIG LTEA-A-GC3 to upgrade cellular redundancy, streamline maintenance, and strengthen your monitoring solution today.

• Ensures reliable AT&T 4G LTE connectivity with VoLTE for clear two-way voice during alarm events
• User-replaceable cell sled reduces dealer truck rolls and speeds field upgrades or repairs
• Quick plug-in installation for GC3/GC3e panels (firmware 3.2.3+) to minimize system downtime
• Dual LTE antennas and 100% LTE data/voice routing improve reception and consistent monitoring across USA & Canada
• Full Alarm.com compatibility for remote control, real-time notifications and smarter security automation