Features 3.5mm Sound Jack --- This radio transceiver utilizes a 3.5mm sound jack, so with the microphone plugged in, you can simply press and hold the right side button to place a call. Multiple Voice Reception --- This radio transceiver supports SSB, AM, Narrowband FM, Wideband FM voice reception with Spectrum Waterfall. Catch And Replay --- This radio transceiver makes it very easy to catch and replay wireless signals from ISM band remotes. Hardware Complete --- This radio transceiver features a 3.2 inch resistive touchscreen, navigation switches, radio outputs, microphone inputs, DC 2.1 interface, and 4 layer gold plating. Wide Application --- This radio transceiver has a wide range of applications and can be used in ships, automobiles, electronic utility counters, transponder monitoring and so on. Specification: Item Type: Radio Transceiver Material: Aluminum Alloy Battery Type: 3.7V 2000mAh Lithium Battery x1 ( Shipped With Built In Battery ) Antenna Receiving Frequency Range: 1MHz-6GHz Catch Replay: One of the best things about the radio transceiver is that it makes it very easy to catch and replay wireless signals from ISM band remotes. Create a catch. All you need to do is go to the catching menu, set the frequency of the remote control key, press the red R record button and press the key on the remote control. Then stop recording to save it to the storage card. Now you can go to the Playback menu, select the file you just recorded and click Play. The exact same signal will be transmitted over the air, effectively replacing your remote key. TX Microphone: Using the 3.5mm radio jack, the radio transceiver can also be used as a standard push to talk or voice activated walkie talkie radio by the radio transceiver. Plug the microphone into the radio jack, you simply press and hold the right button to push to talk. If desired, you can also enable multiple CTCSS tone options, as well as tones that appear to be transmitted to the wireless headset Package List:1 x Full Featured Radio Transceiver5 x Antenna2 x Antenna Accessory1 x USB Cable1 x English Manual Package List 1 x Full Featured Radio Transceiver 5 x Antenna 2 x Antenna Accessory 1 x USB Cable 1 x English Manual