3pcs 2.4G 1100m NRF24L01andPAandLNA Anti-Static Foam Wireless Transceiver Module Arduino Compatible with Antenna (3pcs Wireless Transceiver Module) The nRF24L01and is a 2.4 GHz ISM band transceiver. The module has 5 V tolerant inputs that allow direct connection of SPI pins to the Arduino. Range: 800and meters line of sight, Weight: 13.28g (0.468oz)Auto-recognition and auto-retransmit capabilities.Supports up to six channels of data reception Note: The data is all manual measurement, please allow some error 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store