The Whip Antenna is a high-performance GMRS antenna designed to boost signal strength and audio clarity for your Expedition Radio. Its durable, memory-resistant wire stands up to heavy use, making it ideal for activities that push your radio’s range—improving signal strength by up to 30%, depending on terrain. This 38.8 cm (15 inch) high-gain antenna is an optional accessory; every Expedition Radio also includes the standard 7.5 cm and 17 cm antennas. Learn more about which Expedition Radio antenna is right for you.