TPL Systèmes has developed a high spectral efficiency digital radio technology called eDMR, for its historical and future customers. This 12.5KHz narrowband technology is dedicated to all VHF frequencies. Supporting analog mode as well as digital eDMR, it is available in  30-50MHz, 68-88MHz and 146-174MHz.

With more than 30 years of experience in professional radiocommunication, TPL Systèmes' eDMR offering is comprehensive and meets all the modern needs of a radio network operator. Repeater, mobile radio, portable radio, network manager, geographic information system of  radio terminals through GPS, voice over IP console for dispatcher, telephone gateways, HNZ, IEC 101, all the strengths of a Digital radio network are available in eDMR.