This Browning Flat Coil Trucker CB antenna is rated at 15,000W and is a total of 63" inches tall, including its 6" stainless steel shaft and 49 1/4" stainless steal tapered whip. It has a flat aluminum coil and plastic steel insulator and a frequency range of 25–30 MHz. Includes a standard 0.375" x 24 thread CB mounting.