This transceiver, besides simplex, it will do duplex while working SATELLITES. It is in perfect working order, package includes the transceiver, protective case, two radio antennas, two batteries, two belt clips, vehicle cigarette 12 vdc power adapter, drop-in battery charger and power supply, ear mic/speaker adapter, hand held speaker/mic and programming software cable and programming software including USB stick. Everything in with the original box.