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This is a compact wireless communication module based on Nordic Semiconductor's NRF24L01+ transceiver IC, operating in the 2.4 GHz ISM band with data rates up to 2 Mbps. It has an integrated PCB (trace) antenna for stable performance and an SPI interface, and it is compatible with Arduino, ESP32, ESP8266, STM32, Raspberry Pi and other microcontrollers.
Despite the module's onboard PCB antenna, the package also includes a separate SMA antenna, so check which antenna you actually plan to use, since the module itself connects to the trace antenna printed on its board rather than an external one unless you have a variant with an SMA jack.
The operating frequency is the 2.4 GHz ISM band, the logic level is 3.3 V and current consumption is stated as 115 mA. The maker lists a range of up to 100 m in open line-of-sight conditions, and the module includes built-in CRC error detection, a compact, lightweight design suited to IoT and robotics, and programmable RF output power up to 0 dBm.
Power the module from a clean, adequately rated supply, since radio and camera modules draw current in short bursts that a weak supply cannot follow. Keep the antenna clear of metal and ground planes, and start with the maker's example code before writing your own.
Hobbyists building short-to-medium range wireless links between two or more Arduino, ESP32 or Raspberry Pi boards.
Up to about 100 m in open line-of-sight conditions.
Yes, an integrated PCB antenna; the package also includes a separate SMA antenna.
3.3 V.
Over SPI.
Up to 2 Mbps.
| Brand | Generic |
|---|---|
| Frequency | 2.4GHz ISM band |
| Selling unit | PCS |
