Compatible with all handheld CB radios from many with a BNC connector, improve quality and range to CB radio reception. The antenna design is soft, flexible and , works on all channel within CB radio frequency range of 26MHz to 27 MHz. Max Input Power: 30W; Frequency: 27MHz; Antenna Mounting Connector Type: BNC Male Connector; Length: 10 inch /26cm; Weight: 420g; Feature: with Magnetic Base; Cable Type: RG58/U Coaxial Cable; Cable Length: 3 meters / 9.84 feet; Cable Connector Type: BNC Male Connector; Accessories: UHF PL-259 Male Connector Adapter; Colour:black Material:Metal + plastic Package Contents: 1 * Antenna 1 * Magnetic Base 1 * Connector Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.