NRF24L01 + wireless module 2Mbit / s 1Mbit / s 250Kbit / s transfer rate MultiCeiver hardware to the 6 receiver functions at the same time + / - 60 crystal Only need an external inductance when match antenna No multi-layer PCB 5V input tolerance level No need external level converterImproved ShockBurst and serial interface can be connected with a of low-cost MCU No MCU with SPI Interface 20 pin 4x4mm QFN leadless package few external componentsThe 2Mbit / s rate when the current 12.5mA received The 2Mbit / s rate @ 0dBm output current of 11mA 2Mbit / s rate of only a small average current 400nAPower-down mode, power consumption Power consumption of 32uA in standby mode 130us fast switching and time With on-chip voltage regulator oltage regulators In the 1.9 to 3.6V low voltage operation Possible to reduce noiseApplication: Mouse, keyboard, wireless headsets, intelligent sports equipment, remote controls, voice applications, security devices, VOIP applications.Colour: as shownMaterial: PCBSize: 18 x 12 x 2mmPackage Contents:5 x ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.