Ultra reliable Narrow Band RF antenna module for URC RF ControllersNarrow band RF antenna module for MRF-350. Available in 418 MHz or 433 MHz versionsPower and interference (RFI) indicator LEDsIncludes wall mount and 10' connecting cableExtendable range with CAT5The compact RFX-250 is a detached Narrow Band RF antenna for compatible controllers. Ensuring that your clients have seamless control and a wide operating range can be one of the biggest challenges of any custom installation. The RFX-250 addresses this by employing advanced Narrow Band RF and providing the ability to install multiple units to extend operating range. URC's Narrow Band RF technology improves devices' range and reliability, while also improving spurious adjacent signal rejection, ignoring unneeded signals.