General description Improved frequency range and adjusted frequency interval make it easier to switch channels. The receiver features a squelch function to eliminate noise when no calls are made, enhancing overall performance with improved sensitivity. It is designed to receive air-to-ground and air-to-aircraft radio calls and supports connection to power amplifiers and other external equipment. Technical specifications Frequency Range: 118-136 MHz Mode: AM Power Supply: 2 x AAA batteries (not included) Material: Plastic Dimensions: Measurement allowed error is +/- 1-3 cm Usage Insert the earphone (self-matching) into the headphone jack and turn on the volume/switch knob. Extend the earphone cable and adjust the frequency dial to select the desired aviation radio band. Avoid interference from generators, switch power supplies, computers, and transmitters during use. Adjust the volume to a safe level to protect hearing. For optimal reception, extend the earphone cable when receiving at