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Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist
nRF24L01+ Mini 2.4GHz Wireless Transceiver Module

nRF24L01+ Mini 2.4GHz Wireless Transceiver Module

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SpecificationDetails
Frequency Band2.4 GHz ISM Band
Data Rate250 kbps, 1 Mbps, and 2 Mbps
Operating Voltage1.9V to 3.6V (3.3V Recommended)
I/O Logic Level5V Tolerant
Interface4-Wire SPI (Up to 10 Mbps)
Max Output Power0 dBm
Transmission Range10–30 Meters (Indoor/Line-of-Sight)
Price
₹ 80.51 ₹ 80.51
(Tax included)

Barcode: 1738335

Product Description

The nRF24L01+ Mini is engineered for reliable "point-to-point" or "star network" topologies (up to 6 receiving nodes). It features built-in CRC error detection and auto-retransmit capabilities, ensuring data integrity even in environments crowded with Wi-Fi and Bluetooth signals. Because it operates with a very low peak current (approx. 11.3mA at 0dBm), it can run for months or even years on a single coin-cell battery when used with proper sleep-mode programming. The module includes an integrated PCB trace antenna, eliminating the need for bulky external hardware.

Key Features

  • Ultra-Small Form Factor: Roughly half the size of a standard nRF24L01+ module, perfect for "hidden" or embedded installations.

  • Low Power Consumption: Features a "Power Down" mode that draws only 900nA, making it one of the most efficient RF modules available.

  • MultiCeiver™ Technology: Allows a single primary receiver to listen to up to six different transmitters simultaneously.

  • 5V Tolerant Pins: While the module requires 3.3V power, the SPI data pins can be connected directly to a 5V Arduino without a level shifter.

  • High Data Rate: Supports up to 2 Mbps, fast enough for basic audio streaming or high-frequency sensor logging.

Technical Details

  • Channels: 126 selectable channels (Avoids interference with Wi-Fi).

  • Modulation: GFSK.

  • Sensitivity: -82 dBm at 2 Mbps.

Prototyping and Engineering Tips from Robogears

  • Power Stability is Key: The nRF24L01+ is extremely sensitive to power supply noise. Even if your 3.3V rail seems stable, we strongly recommend soldering a 10uF to 100uF electrolytic capacitor directly across the VCC and GND pins of the module. This prevents "Radio Not Found" or transmission failures caused by sudden current spikes.

  • The 3.3V Rule: Although the data pins are 5V tolerant, the VCC pin MUST NOT exceed 3.6V. Connecting VCC to the 5V pin of an Arduino will destroy the chip instantly.

  • Channel Selection: Standard Wi-Fi usually occupies lower channels. To improve reliability and range, try setting your nRF24L01+ to a higher frequency channel (e.g., radio.setChannel(115)) to move your signal away from heavy Wi-Fi traffic.

  • Address Management: To communicate, both the transmitter and receiver must have the exact same Pipe Address (usually a 5-byte hex value). Ensure your code defines these addresses clearly on both ends of the link.

Package Includes

  • 1 x nRF24L01+ Mini 2.4GHz Wireless Transceiver Module

Disclaimer

This module is intended for low-power, short-range use. Range can be significantly impacted by physical obstacles like concrete walls or metal enclosures.