Rated to handle up to 1000 watts of input from a connected CB radio. Exclusive “VibraSorb” Anti-breakage Design – improves life of product Pre-tuned fiberglass antenna element for the CB radio frequency range (26–29.5 MHz). Operates only when connected to a CB radio transmitter. Fiberglass Mast joined to Nickel Plated Brass Ferrule – durable and quality materials to last longer Made in the USA Prostick 4` Foot Fiberglass - Black CB Radio Antenna