These high gain base station antennas cover the 477MHz band and are ideal for extending radio coverage of your UHF CB radio. Both these antennas are designed around RFI’s leading patented Meander™ PCB technology incorporating excellent gain, pattern stability, and lightweight construction, making these antennas a perfect fit for any base station installation. The COL8000-N is designed to be installed for the station that requires additional gain performance and is supplied with an integrated N type female connector mounted onto the tube.