Rugged Radio ABM25 "RF OVR" Error
The ABM25 radio by Rugged Radios has a transmit frequency range of 144-148MHz and 420-450MHz. It can be programmed with channels outside that range; however, it can only listen to those frequencies.
The RF OVR error is presented on the screen when you attempt to transmit outside the design limits of this model.
06/17/2020