Radio module RFM73-D - transceiver THT*
Wireless radio transmitter operating in the 2.4 GHz frequency with the SPI communication interface. It is powered with the voltage of from 1.9 V to 3.6 V, the pins are the goldpin connectors. Built-in PCB antenna, range up to 80 meters. It is a newer version of the module RFM70-D.