Low receiver sensitivity, coupled with industry-leading 100mW output power guaranteed to expand the scope and improve the link performance. Module provides a multi-band multi-channel and network ID to reduce interference during transmission to improve the transmission performance. Users can modify the software or online via PC serial port settings and the RF parameters.

Details:

• Working voltage: 4.5-5.5V
• Working frequency: 433/470/868/915 MHz
• Interface: RS232
• Output power: -1~20dBm (1400m distance)
• Standby current: <5uA
• Transmitting current: 95mA@20dBm
• Receiving current: 32.7mA
• Sensitivity: -121dBm
• Baud Rate: 1200-38400bps
• Size: 62.5 x 43.2 x 14.3mm

Features:

• 1400m RF line-in-sight distance@1.2kbps
• 433/470/868/915 MHz
• 40 channels
• 4 bytes net ID
• 2 bytes node ID
• Multiple air data rate
• GFSK modulation
• Antenna match automatically and bi-direction switch control
• Support Serial port parameter setting
• RS232 port
• Sensitivity: -121 dBm
• Max output power：100 mW
• Voltage：4.5 ~ 5.5 V
• Temperature：-40 ~ +85 °C

Applications:

• Remote telemetry
• Auto meter reading
• Security systems
• Data logger
• Wireless data communication
• Building residential automation and security
• Healthy monitoring
• Wireless PC peripherals
• Access Control System
• Robot control

links for more details http://www.nicerf.com/product_view.aspx?id=8