Digi XBee SX RF Modems
1-Watt industrial-grade 900 MHz RF modem with best-in-class range and power consumption for wireless cable replacement

Digi XBee SX RF Modems platform features:      
* Adjustable output power up to 1-Watt achieves up to 65 mile range with
   high gain antenna
* Interfaces options include RS-232, RS-485, USB, Analog I/O
   and Digital I/O
* DigiMesh networking topology for redundancy and reliability
* 256-bit AES encryption for secure data communications
* Rugged metal enclosure and -40℃ to +85℃ operating temperature
   for industrial applications
* Fully certified for use in free, unlicensed 900 MHz band