Replacement Radio Antenna for Kenwood UHF 450-470MhzAftermarket Equivalent to Kenwood Part # KRA-27Length: 5.75 inchesFor use with the following radios: TK-3101, TK-3100, TK-3170, TK-3173, TK-3160, TK-3140, TK-3200, TK-3180, TK-390, TK-380, TK-370G, TK-373G, TK-372G, TK-385, TK-3202LU, TK-3200L.Handheld radio antennas come in many styles and sizes. More importantly is that you use an antenna that is tuned to the specific frequencies of the radio. Failure to use the correct antenna will result in poor performance and may result in damage to the radio. So before ordering please verify the frequencies of the radio.