Based on Caltta's advanced SDR platform, Caltta base station implements a distributed architecture that separates the baseband from the radio frequency (RF). It consists of B8200(BBU) and R8881(RRU) and is compatible with both digital and analog trunking. Features of DMR Base Station World-leading SDR architecture, broader coverage. Flexible networking with star and chain networks supported. Optical fiber connection without feeder loss. High sensitivity and better call quality. Adapts multi-carrier technology, and realizes software expansion for cost savings. High environmental adaptability. Smooth evolution to 4G. Frequency scanning to eliminate interference. Efficient amplifier, natural heat dissipation, 80% power saving. Caltta, as an excellent dmr manufacturer, offers a wide range of dmr equipment for you to choose from.