6pcs Addicore nRF24L01+ 2.4GHz Wireless Transceiver Arduino Compatible in Antistatic Foam Includes: 6 nRF24L01+ modules with pins protected in anti-static foam, Addicore information card, and clear resealable plastic bag 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