General description The 2pcs NRF24L01+PA+LNA RF Transceiver Module with SMA Antenna operates at 2.4 GHz and is designed for high-performance wireless data transmission. This module features automatic acknowledgment and retransmission capabilities, supporting up to six data reception channels. With the addition of high-power PA and LNA chips, RF switches, and bandpass filters, the effective communication distance has been significantly increased, making it suitable for various applications. Technical specifications Frequency: 2.4GHz~2.5GHz PA Gain: 20dB LNA Gain: 10dB Range: 800+ meters (line of sight) Multi-frequency: 125 frequencies Transmit operating current (max): 115mA Receive operating current (max): 45mA Operating voltage: 3 ~ 3.6V (3.3V recommended) Color: Black Material: Plastic + Metal Compatibility and accessories Includes 4 x NRF24L01+PA+RF Transceiver Modules Includes 4 x SMA Antennas Includes 4 x NRF24L01 Module Breakout Adapters Other information Light reflection and