The Digi XBee HPX 900 module is a fully compatible and over-the-air interoperable with existing Digi XBee-PRO 900HP deployments, and delivers 250 mW transmit power while incorporating an integrated SAW filter to reduce out-of-band interference and improve receiver sensitivity in noisy RF environments.
Digi XBee HPX 900 supports over-the-air firmware updates and is designed for harsh operating environments with and industrial temperature range of -40 °C to 85 °C (-40 °F to 185 °F).