Amazon.com: Aoicrie 2Pcs NRF24L01+PA+LNA Wireless Transceiver RF Transceiver Module, with SMA Antenna 2.4G 1100m Compatible for Raspberry Pi : Electronics
Arduino and NRF24L01 Radio Module Beginner Tutorial - YouTube
2x Radio Module Nrf24l01 +NRF24L01 2.4 GHZ Spi for Eg Arduino,STM32,Raspberry Pi | eBay
Using a NRF24L01 module with Arduino • AranaCorp
Interfacing NRF24L01 Wireless Transceiver Module with Arduino