NRF24L01 Module original

2.4GHz transceiver with an embedded baseband protocol engineWorldwide 2.4GHz ISM band operation，Free license to use126 RF channelsHigh air data rate: 250kbps, 1 and 2MbpsTransmitter: 11.3mA at 0dBm output powerReceiver: Fast AGC for improved dynamic rangeReceiver: Integrated channel filtersEnhanced ShockBurst™:1 to 32 bytes dynamic payload length,6 data pipe MultiCeiver™ for 1:6 star networksHost Interface:4-pin hardware SPI,3 separate 32 bytes TX and RX FIFOsLow Power Management:1.9 to 3.6V supply rangeGFSK modulationAuto packet transaction handlingEasy for designedSmall size:15mm*29mm