I put this antenna on a GRE PSR-310. Does a real nice job of pulling in Railroad and Marine traffic and does a respectable job on VHF low band and UHF band fire traffic. It does fine on a EDACS 800 system coming off a mountain less than five miles away. On a weather channel it has a five bar signal strength, same as a Diamond RH-77CA even though it is shorter. The BNC connection is shielded by the outer rubber coating which is a real nice feature. I give it five stars.