Modulation mode: GFSK/FSK
Working frequency: 433/470MHz
Output power: 17dBm(50mW)
Receiving sensitivity: -118dBm@1,200bps
Channels: 8/16/32
Transmitting current: 90í+5mA
Receiving current: 28í+2mA
Sleeping current: 5í+2uA
Interface rate: 1,200/2,400/4,800/9,600/19,200bps
Interface mode: UART TTL, RS-232 and RS-485
Power supply: DC +3.3 to 5V
Working temperature: -25íµ to 75íµ
Working humidity: 10% to 90%
Dimension: 47 x 26 x 10mm
Reliable transmit distance (AT-4 antenna): 1,200m@1,200bps with AT-4 antenna
Communication mode: half-duplex
Network topology: point to point and point to multi-point.