Midland 3 dB Gain Bullbar AntennaBring unprecedented GMRS two way radio range to any adventure with The Canyon Edge. The Canyon Edge is 28 inches tall, mounts on a 1 2 inch hole, and is built with durable fiberglass strong enough to tackle the toughest trails. With a lower dB, The Canyon Edge casts a taller signal, making communication clearer when encountering heavily obstructed environments such as cities, dense forests, and mountains. Frequency Range: 462. 5500 467. 7250 MHz