Power Output: 23dBm/27dBm optional (default) 27dBm/30dBm optional (customized) RF Line-of-sight Range: 5000m@1200bps,3000m@9600bps RF Effective Rate:1200/2400/4800/9600bps Bandwidth: <25KHz Receiver Sensitivity: -124dBm@1200bps Networking Topology: Point-to-point, point-to-multipoint Supply Voltage: 10~15V default, 5V customized, (The maximum power customized on 5V is 500mw) Transmit Current: <400mA@27dbm,<500mA@30dbm Receive Current: <80mA Communication Mode: Half-duplex Modulation Mode: GFSK/RCFSK Frequency Band: 869MHz (LAN869) Channel: 8 channels (selected by DIP switch), The most can up to 128 channels Interface: TTL/UART, RS232 and RS485 Size: 76mm�~51.2mm�~16mm Weight: 130g Antenna Base: 50ƒ¶, SMA Operating Temperature: Industrial:-40�Ž~+80�Ž(TCXO) Frequency Stability: �}2.5ppm Industrial