Listen Technologies LA-123 90˚ Helical Antenna, 72 MHz

Optimize RF performance in security, surveillance, and assistive listening installations with the Listen Technologies LA-123 90° Helical Antenna. This compact, rack-mountable antenna is purpose-built to boost wireless audio coverage up to 122 m (400 ft), improving signal reliability for monitoring stations and multi-room deployments. Tuned for the 72 MHz band (72.025–75.975 MHz), the LA-123 delivers stable reception when paired with Listen Technologies LT-800 transmitters and LR-100 receivers, minimizing interference and audio dropouts.

The 90° helical design lets you orient the antenna for best line-of-sight performance, while the standard BNC connector enables quick, secure mounting to the rear of equipment or placement at the front of a rack for specialized installations. Lightweight and finished in a discreet gray, it integrates neatly into professional AV, networking, and security racks without adding bulk. Ideal for surveillance audio feeds, public safety monitoring, and assistive listening systems, the LA-123 provides dependable RF coverage where clarity matters most. Add the LA-123 to your deployment to improve system reliability—contact sales or order now to optimize your wireless audio network.

• Extends reliable wireless audio coverage up to 122 m (400 ft), reducing dropouts in security and surveillance deployments
• 90° helical form lets you position the antenna for optimal reception from the rear BNC connector or rack front
• Tuned for the 72 MHz band (72.025–75.975 MHz) to maximize performance with LT-800 transmitters and LR-100 receivers
• BNC connector provides fast, tool-free mounting and broad compatibility with existing RF infrastructure
• Rack-mountable, low-profile design simplifies integration into monitoring stations, equipment racks, and assistive listening systems