Adafruit RFM69HCW Transceiver Radio Bonnet - 868 or 915 MHz (RadioFruit) _MAKE_CABLE and we've got to say

and we've got to say

Gear reduction ratio: 100:1

Kit contains

This gesture sensor can be used to detect clockwise/counterclockwise rotation and movement directions

Pair it with an Argon or Boron gateway to osmosis all that great data into the Device Cloud

Adafruit RFM69HCW Transceiver Radio Bonnet - 868 or 915 MHz (RadioFruit) _MAKE_CABLE and we've got to sayThe latest Raspberry Pi computers come with WiFi and Bluetooth, and now you can add even more radio options with the Adafruit Radio Bonnets! Upgrade your Raspberry Pi with a sub GHz radio transceiver, so it can communicate over long distances. These bonnets plug right into your Pi and give you long range wireless capabilities to remote nodes that may be battery powered. Or, you can create Internet gateways with ease. You not only get a radio module,