Long Range Antenna for GMR2 PLUS is a high impact housing antenna, equipped with a machined aluminum base, a precisely-tuned loading coil, and HyperFlex stainless steel wire rope whip. The antenna can increase your transmit and receive range by up to 30% for your handheld radio. This antenna is designed for the Rugged Radios GMR2 PLUS white label handheld, excluding the GMR2 black label legacy model with non-removable antenna. You don't need an additional BNC connector, as it easily screws onto the existing antenna mount through the SMA connector. It is 6-3/4in in length and an eminent choice for extended range applications.