[NRF24L01]is 2.4GHz ISM band ceiver for arduino, which has the abilities of auto-acknowledge and auto-re mit and support up to six channels of data reception. [NRF24L01+ Module]High-performance wireless data mission chip NRF24L01 +, an increase of high-power PA and LNA chips, RF switches, band-pass filters and other professional full bidirectional RF, making the effective communication distance has been greatly expanded. [NRF24L01]The module has 5V tolerant inputs which allows for direct connection of SPI pins to the for Arduino. [Wireless Module]Small power on SMD LED indicator; On-board 3.3V voltage regulator accepts your for Arduino +5V supply and provides 3.3V for the attached "nRF24L01+" module. [Widly Applications]It can be wildly used to wireless remote control, somatosensory devices, RFID, NFC, smart grid, smart home, wireless audio etc.<br><br>specification: PA Gain:20dB LNA Gain:10dB Frequence: 2.4GHz~2.5GHz Range: 800+ meters line of sight Multi-frequency: 125 frequency mit Operating Current(Max):115mA Receiving Operating Current(Max):45mA Operating Voltage: 3 ~ 3.6V (Recommended 3.3V) Colour:black Material:Plastic + Metal<br><br>Package Contents: 2 * NRF24L01+PA+LNA Wireless ceiver RF ceiver Module 2 * SMA Antenna SMA Antenna 2.4G 1100m 2 * NRF24L01 Wireless Module Breakout Adapter<br><br>Only the above package content, other products are not included. Note: Light shooting 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.