Device Radio Receiver/Transmitters Manufacturer BAOFENG Model No. UV-13 V1 CPU/Chipset(s) GigaDevice GD32E230 Airoha Tech. AT1846S XMC XM25QH16C Frequencies VHF (136-174MHz) VHF (220-260MHz) UHF (400-480MHz) Port(s) USB Type C - Charging Port Only 2 Pin Serial (Pair) (2.5mm/3.5mm) Operating System(s) Proprietary OS Documentation/Manuals: BaoFeng UV-13 V1 PRO User Manual