Alarm.com ADC-9AM-MMCX 3G Indoor Antenna for 3G CDMA/HSPA Modules, 6'

Deliver dependable cellular connectivity to your security and monitoring systems with the Alarm.com ADC-9AM-MMCX 3G Indoor Antenna. Designed specifically for 3G CDMA/HSPA modules, this MMCX antenna is the standard indoor solution used to improve signal reception for alarm panels, cameras, and remote monitoring devices. The 6' (1.8 m) cable gives installers the flexibility to position the antenna for best reception—near windows, ceilings, or central equipment racks—while the MMCX connector provides a secure, low-profile interface with compatible modules.

Engineered for indoor use, the Alarm.com antenna helps reduce cellular dropouts and supports continuous data transmission for surveillance and remote monitoring applications. Its compact tip design focuses on capturing the strongest signal, delivering a tangible improvement to system reliability without adding complexity to installations. Whether you’re upgrading an existing security setup or stocking replacement parts for field service, this antenna offers a cost-effective way to maintain uninterrupted connectivity. Add the ADC-9AM-MMCX to your next security install or service kit to ensure consistent cellular performance and reliable alarm reporting.

• Provides reliable cellular connectivity to alarm panels and monitoring equipment, reducing dropouts and false alarms
• 6' (1.8 m) cable for flexible indoor placement to optimize signal near windows or ceilings
• MMCX connector ensures a secure, low-profile connection to 3G CDMA/HSPA modules
• Low-profile indoor design that integrates cleanly into commercial and residential security installs
• Quick, tool-free installation—ideal as a replacement or spare for surveillance and monitoring deployments