Linear LDR00001 RF Field Tester

Ensure reliable performance of security and access-control systems with the Linear FT-1 RF Field Tester (LDR00001). This handheld RF signal testing device is built for technicians who need to quickly identify and diagnose RF interference around the 318 MHz band so installations maintain maximum range and uptime. The FT-1 decodes Megacode-format transmissions and uses a built-in speaker so you can audibly confirm what the receiver detects, while the visual LED and special tone speed verification of transmitter operation. Lightweight and pocket-sized (approx. 2.5" W x 5.75" H x 1.25" D) and powered by a standard 9-volt battery with battery-save mode, it’s ideal for field service and routine surveillance system checks. Use it for access control panels, garage door operator troubleshooting, or general RF monitoring in security and surveillance deployments. Practical, fast, and easy to use — add the Linear FT-1 RF Field Tester to your toolkit to reduce interference-related service calls and improve system reliability. Order now or contact us to discuss application tips for your installation.

• Rapidly locate and assess RF interference at 318 MHz to protect system range and reliability
• Built-in speaker and decoder let technicians hear and verify Megacode transmissions for faster troubleshooting
• LED indication and special tone provide clear visual and audio confirmation of transmitter or interfering signals
• Compact, pocket-friendly design with 9V battery and battery-save mode for on-site security and surveillance testing
• Optimized for access control, garage door operator, and general RF monitoring applications to reduce downtime