The NRF24L01 is a 2.4GHz ISM band transceiver with auto-acknowledge and auto-retransmit capabilities, supporting up to six channels of data reception. The NRF24L01+ module features a high-performance wireless data transmission chip with an integrated high-power PA and LNA, RF switch, and band-pass filter for enhanced bidirectional RF performance, significantly extending communication range. This module includes 5V tolerant inputs, allowing direct connection of SPI pins to microcontrollers. A low-power SMD LED indicator is provided. An onboard 3.3V voltage regulator supports a 5V input supply and delivers stable 3.3V power to the nRF24L01+ module. Ideal for various applications including wireless remote control, sensor devices, smart home systems, smart grid, and wireless o transmission. Specifications: - PA Gain: 20dB - LNA Gain: 10dB - Frequency Range: 2.4GHz – 2.5GHz - Communication Range: Over 800 meters (line of sight) - Number of Channels: 125 - Maximum Transmit Current: 115mA - Maximum Receive Current: 45mA - Operating Voltage: 3 – 3.6V (Recommended: 3.3V) - Color: Black - Material: Plastic + Metal Package Contents: - 2 x NRF24L01+PA+LNA Wireless Transceiver RF Module - 2 x SMA Antenna 2.4G 1100m - 2 x NRF24L01 Wireless Module Breakout Adapter Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3cm.