Note :"NRF24L01+ " just mean the printing on this module. This module can be any one of 51 shop is directly connected to the system board, easy to use. It's for 8 Pin NRF24L01+ Module. This is a simple socket board which is for NRF24L01 Wireless module. On-board AMS1117-3.3 chip. It could be used with NRF24L01 Wireless module at our store. Wireless module operating voltage is generally 3.3V, while the ordinary 51 microcontroller 5V, This module is easy to shop wireless module with 51 single system board used in conjunction.