Nrf24l01L wireless module, use NRF24l01 IC from Nordic, work at 2.4Ghz worldwild open ISM band, working data speed up to 2 Mbps, 125 channel can reach multiple channel and jumping channel needs, operation voltage 3.3-3.6V, transmit power up to 20 dBm, then sensitivity can reach -86dbm at 2 Mps high speed.
This module is designed for long distance as well as high speed transferring, pins and interface are fully compatible with normal NRF24L01+ module, no need for extra control pins. (two extra pins without silk print can connect to GND)
Compact size, easy to use, simply extend the communication distance.