DM Engineering is the manufacturer of the Multi-Station Relay Adapter and Multi Station Relay Expander series for the Sage Endec and DASDEC EAS encoder-decoders, as well as various user friendly and low cost Remote Control and Automation Interface devices for the Sage-Endec, Silence Sense devices, single and multi line Phone Flashers, Studio Utility Relay Systems like the Slave Relay Pack and Solid State Relay Pack, the Mic-Pro2 Mic control devices and other broadcast related equipment.