Operating Frequency Range:  433.4—473.0MHzTransmit Power Max: 20dBmPower Supply Voltage: DC 3.2V ~5.5VLong Communication Distance: About 1000 meters at the default setting
Built-in MCU, performing communication with external device through serial port
Working frequency: 433.4MHz to 473.0MHz
Supply voltage: 3.2V to 5.5VDC
Serial baud rate: 1.2Kbps to 115.2Kbps?default 9.6Kbps?
Receiving sensitivity: -117dBm to -100dBm
Transmit power: -1dBm to 20dBm
Interface protocol: UART/TTL
Operating temperature: -40? to +85?