[NRF24L01] is a 2.4GHz ISM band transceiver for , which has the capabilities of automatic acknowledgment and retransmission and supports up to six data reception channels. [NRF24L01+ Module] High-performance wireless data transmission chip NRF24L01+, an increase in high-power PA and LNA chips, RF switches, bandpass filters and other professional two-way RF, making the effective communication distance has been greatly expanded. [NRF24L01] The module has 5V tolerant inputs that allow direct connection of SPI pins to for the. [Wireless Module] Small power SMD LED indicator; The onboard 3.3V voltage regulator accepts your power supply for +5V and provides 3.3V for the attached "nRF24L01+" module. [Wide Applications] It can be widely used for wireless remote control, somatosensory devices, RFID, NFC, smart grid, smart audio, etc. Specification: PA Gain: 20dB LNA Gain: 10dB Frequency: 2.4GHz~2.5GHz Range: 800+ meters of sight Multi-frequency: 125 frequency Transmit operating current (max):