Digi International's XTend radio frequency (RF) modules are easy to use, fully certified, require minimal power, and provide high reliability for wireless communications. These XTend modules utilize frequency hopping spread spectrum (FHSS) agility to avoid interference by hopping to a new frequency on every packet transmission or re-transmission. Its transmit power is software adjustable from 100 mW to 1 W, the maximum output power allowable that use 900 MHz as a license-free band. The XTend module is approved for use in the United States, Canada, Australia, and other countries. Digi XBee® surface mount form factor to save valuable PCB space.