onelinkmore RF Coax Adapter SMA Female to SO239 Female UHF Jack SO-239 Antenna Cable Connector for BAOFENG UV-5R Series Radio Pack of 2 UHF Female to SMA Female Adapter/Converter;Impedance :50 ohm;Temperature tolerance:300C Well Constructed and Connection Pins Are Gold-plated for Secure Connections Used widely at UHF,VHF Frequency Connect and Radio Station Antenna Convertion Connect Baofeng Radios to Base Station Antenna Package Content : 2 x SMA Female to UHF Female Adapter