RoIP gateway(with PSU)with built-in radio and SIP modules, support 1 connection of analog/ DMR II digital radio, 1 connection of SIP call; 2 SIP lines, Support Hot Spot; Support USB 2.0 interface and TF card interface for data storage or offline upgrade; Support call recording and call logs of two-way radios and SIP phones; Support HD audio with G.722 and Opus; Support desktop and wall-mounted installation; Communication distance: 1~3 km in urban open area (depending on the actual environment)