The ProComm JBC2400 is a 24-inch stainless steel CB antenna whip designed with a ring tunable base load for easy on-the-go adjustments. It comes pre-tuned to 27 MHz and covers the Citizens Band frequency range of 26.9 to 27.4 MHz. The antenna is rated for 25 watts and features a chrome plated 3/8-24 ferrule for secure mounting. Its unique design allows for fine tuning in the field, delivering optimal low SWR performance without the need for additional equipment.