WORKMAN SWR-3P CB RADIO ANTENNA SWR / TEST METER WITH 3` BELDEN JUMPER COAX SWR / Power / Field Strength Meter Input and output are SO-239 Switchable Power Settings Between 10 / 100 Watts Heavy Duty Metal Case Includes a short antenna for Field Strength Testing and a 3` foot Belden jumper coax with Kalibur Ends