Slou New 5 X Nrf24l01+ 2.4ghz Antenna Wireless Transceiver Module Arduino and Raspberry Pi compatible Several resources available online, such as tutorials, data sheets, and notes Auto-acknowledge and auto-retransmit 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 Can be directly connected to a variety of microcontrollers; software programming is very convenient