Profile: CPI Communications manufactures remote control equipment for the commercial two-way radio industry. Our catalog comprises of DC remotes & termination panels, tone remotes & termination panels, local extension remotes, and DC to tone converters. The DR series DC remote control units are designed to provide control of a remotely located base station over an in-house, or leased metallic wire pair. The DR20 remote control is a console style remote with desk microphone. It has standard features such as monitor and intercom. The DR40 is a console style remote with a goose-neck microphone, monitor and intercom.