Adafruit feather main boards adafruit 3076 the adafruit feather 32u4 rfm69hcw packet radio transceiver offers your next project greater range than 24ghz 802154 low rate wpan more flexibility than bluetooth and lower power requirements than wifi suitable for use at 868 or 915mhz these radios excel at small packet communications rather than streaming audio or video and have greater range than bt ble wifi and zigbee arduino libraries are available so that you can take advantage of thi