Check the listing for details. K40 K40BCMAX MFR# K40BCMAX,CB,Gray 39CJ54. Condition: New. Listed at 79.98 USD. Antenna, Compatible Radio Brand Cobra, President, RoadKing, Uniden, Compatible Radio Series Not Applicable, Compatible Radio Manufacturer Model Number 19 DX IV, ACFD520, ACUS600, ADAMS, ANDYII, Bearcat 880, BILLII, JOHNNYIII, JOHNSONII, LINCOLNII, MCKINLEY, PC78LTX, PRO510XL, PRO520XL, RANDYII, RICHARD, RKCBBT, RKCBCLASSIC, RONALD, TAYLOR, WALKERIII, Band Type CB, Minimum Frequency 26 MHz, Maximum Frequency 30 MHz, Antenna Type Helical.