NRF24L01+ 2.4GHz Wireless RF Transceiver Module
nRF24L01 is a
single chip radio transceiver for the worldwide 2.4 - 2.5 GHz ISM band.
Compatible with Arduino and Raspberry Pi
Applications: Wireless peripherals, remote control systems such as RC
vehicles and consumer remote electronics, wireless voice transmission
such as VoIP, wireless sensor networks, wireless networks, home and
commercial automation
Ultra Small: 15x29mm (including: built-in 2.4GHz antenna), for easy implementation into designs without additional hardware