Mini NRF24L01+ 2.4GHz Wireless Transceiver Module – Low Power, Long Range

SKU: FA2017-1
Frequency Band

2.4GHz ISM Band (2400MHz – 2525MHz)
Operating Voltage

1.9V to 3.6V DC (Note: 3.3V is recommended)
Logic Level

5V Tolerant (Inputs can handle 5V signals, but VCC must remain below 3.6V)
Data Rate

250kbps, 1Mbps, or 2Mbps
Max Output Power

+0dBm
Receiver Sensitivity

≤ -94dBm at 250kbps
Peak Current

Approx. 13mA (at 2Mbps), 11mA (at 0dBm output)
Interface

8-Pin SPI (Serial Peripheral Interface)
Dimensions

Approx. 12mm x 18mm (Mini version)
This Mini nRF24L01+ 2.4GHz Wireless Transceiver is an ultra-compact, high-performance solution for short to medium-range wireless communication. Operating in the worldwide license-free ISM band, this module is engineered for ultra-low power consumption and seamless integration into space-constrained projects.
Despite its small footprint, the module features an integrated frequency synthesizer, power amplifier, crystal oscillator, and modulator/demodulator. It utilizes Enhanced ShockBurst™ technology to automate packet handling, ensuring reliable data transfer between microcontrollers like Arduino, STM32, Raspberry Pi, and ESP8266. This makes it a gold standard for IoT sensor networks, wireless peripherals, and remote control systems.
Key Features
  • Ultra-Compact Form Factor: Specifically designed for “Mini” applications where PCB real estate is at a premium.
  • Low Power Consumption: Features built-in Power Down and Standby modes, making it ideal for battery-operated devices.
  • Enhanced ShockBurst™: Automatically handles packet assembly, timing, and retransmissions, reducing the processing load on the host MCU.
  • Multi-Point Communication: Supports up to 6 data pipes (1-to-6 star networks), allowing a single receiver to communicate with multiple transmitters.
  • High-Speed Transfer: Capable of data rates up to 2Mbps, suitable for fast data logging and real-time control.
  • Integrated Antenna: Features a high-efficiency trace antenna etched directly onto the PCB for consistent performance without external hardware.
Usage Guidelines
  1. Power Supply: Connect the VCC pin to a 3.3V source. Connecting to 5V will permanently damage the module. For best results, use a 10µF–100µF capacitor across the VCC and GND pins to smooth out power spikes.
  2. SPI Interface: Connect the MISO, MOSI, SCK, CSN, and CE pins to your microcontroller’s SPI bus.
  3. Software Setup: Use established libraries (such as RF24 for Arduino) to initialize the radio, set the channel, and define the data rate.
  4. Network Setup: Ensure both the transmitter and receiver are on the same frequency channel and share the same address (ID) for successful communication.
Q: What is the effective range of the Mini nRF24L01+?

In an open outdoor area at a 250kbps data rate, the range is typically between 50 to 100 meters. Indoors, this will vary depending on walls and interference from Wi-Fi signals.

Q: Is the module compatible with standard nRF24L01+ boards?

Yes. The “Mini” version uses the same silicon and protocol as the standard-sized modules. They can communicate with each other seamlessly as long as the software settings match.

Q: Can I use this for business or industrial applications?

Yes. These modules are widely used in industrial automation for wireless sensor nodes (temperature, humidity, vibration) and inventory tracking due to their low unit cost and high reliability in star-network configurations.

Q: How many modules can communicate at once?

Each module can “listen” to 6 different addresses simultaneously using data pipes. For larger networks, you can implement a mesh or time-slotted protocol to manage hundreds of nodes.

Q: Does this module interfere with Wi-Fi?

Since it operates in the 2.4GHz band, there is potential for overlap. However, the nRF24L01+ allows you to choose from 125 different channels. Moving your project to a channel above 2.4835GHz (Channel 84+) typically avoids Wi-Fi interference.

Q: My module is not communicating. What is the most common cause?

Most issues are power-related. The module requires a very stable voltage. We highly recommend using an 8-pin Socket Adapter with an onboard regulator to ensure consistent 3.3V power.

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