Low power RF links

LoRa (Low power Radio network)

See also:

• http://www.maxstream.net/products/xbee/dev-kit-zigbee.php Developers kits for XBee (1mW) and XBee Pro (60mW) modules.
• http://www.maxstream.net
• http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=658-1011-5-ND EASYBEE-EVAL 2.4GHz SPI interface
• http://en.wikipedia.org/wiki/ZigBee "ZigBee is the name of a specification for a suite of high level communication protocols using small, low-power digital radios based on the IEEE 802.15.4 standard for wireless personal area networks (WPANs). "
• http://www.radiocrafts.com/RF_Module_ZigBee_Module_2.html 19.2kBaud, 400-900 MHz range, power as low as 10.5mA RX 25mA TX, 500 Meter range with 1/4 wave antennas line of sight.