NRF24L01 wireless adaptor module
Frequency Range:2.4 GHz ISM Band
Maximum Air Data Rate:2 Mb/s
Modulation Format: GFSK
Max. Output Power:0 dBm
Operating Supply Voltage:1.9 V to 3.6 V
Max. Operating Current:13.5mA
Min. Current(Standby Mode):26µA
Logic Inputs:5V Tolerant
Communication Range:800+ m (line of sight)