Description: The wireless transceiver module can set up your wireless communication system. You can add it with your own MCU/ARM/PIC/AVR/S32 system, this module also come with power amplifier and SMA antenna, which make the wireless communication up to 800 meters with No Barrier. Specification: NRF24L01PALNA Wireless Transceiver Module: PA Gain：20dB LNA Gain：10dB Range: 800 meters line of sight Frequence: 2.4GHz2.5GHz Multi-frequency: 125 frequency Operating voltage: 3 3.6V Max（Recommended 3.3V） Max Transmit Operating Current: 115mA Max Receiving Operating Current:45mA Support up to six channels of data reception NRF24L01 Breakout Adapter: compatible with Arduino and for Raspberry Pi Pin Quantity：8Pin On-board ：AMS1117-3.3 chip. Voltage Regulator Input Voltage (connected to VCC): 4.8V 12V Small power on SMD LED indicator Note: 1.The module has 5V tolerant inputs, the power supply must be 3.3V, but the data and control inputs can be 5V(I/O can be 5V). 2.If you are the first time to do this job, pls refer to related wiring video on Youtube before connect lines. https://www.youtube.com/watch?v=57pdX6b0sfw&t=267s When the module used with RC planes/cars, please note: 1. If only a single reception and a single transmission are used, then a code value is required. 2. Please pay attention to environmental interference during use. Package Included: 2 x NRF24L01PALNA Wireless Transceiver Module 2 x SMA Antenna 2 x NRF24L01 Breakout Adapter.