... -4858CH, expandable for 16/32 channels according to requirements of customersBaud rate: 1,200, 2,400, 4,800, 9 ... -35 to +75°CImpedance: 50Ω (SMA antenna port, multiple antenna options available)Compatible with EN 300220 and ... Size: 80 x 45 x 19mm (without antenna port)Applications: Automatic meter reading (AMR) and home ... data collection system YS-C30M 2-3km range data transceiver ,rf module ,high speed