In Nature Robotics RF220 Evaluation Board

The RF220 Evaluation Board uses a long range 2.4 GHz wireless transceiver from Synapse Wireless to extend the range of wired USB or Bluetooth data connections. It can be plugged into an available USB port on a computer and used as a wireless serial port or you can connect to it via Bluetooth (Bluetooth Low Energy or BLE) using an Android or iOS Device. The transceiver used is the RF220SU from Synapse Wireless, which includes A to D inputs, digital I/O, and many programmable features. A 2 x 12 header is provided for making easy connections to all the available pins on the RF220SU.