Linear GC3GA-A GSM Cell Radio Module with ANT3X, AT&T

Keep your security system connected even when landlines fail with the Linear GC3GA-A GSM Cell Radio Module — a reliable alarm communicator module built for AT&T’s network. Designed as a plug-in cellular backup, this Linear module uses 3G (HSPA) service to transmit alarm events and supports 2-way voice so monitoring centers and responders can verify incidents quickly, reducing false alarms and improving incident resolution. With firmware revision 1.9.6 or higher, the GC3GA-A stays compatible with modern control panels and security protocols, simplifying fleet management and future updates. Ideal for integrators and security managers, this US-only module minimizes downtime, lowers maintenance calls, and strengthens surveillance and monitoring workflows without complex rewiring. Deploy it in residential, commercial, or distributed-site installations to add a resilient communications path for alarm signaling and voice verification. Upgrade to the Linear GC3GA-A to enhance reliability and responsiveness in your alarm monitoring setup — order now to improve system uptime and protection.

• Maintain continuous alarm reporting and monitoring with AT&T 3G (HSPA) cellular backup to eliminate single-point failures.
• Two-way voice capability enables rapid event verification and reduces false dispatches for more efficient alarm response.
• Plug-and-play design installs directly into your control panel to cut installation time and onsite labor costs.
• Firmware support (rev 1.9.6+) ensures compatibility with current security protocols and future updates.
• US-certified module optimized for commercial and residential security, surveillance, and remote monitoring applications.