NRF24L01 Wireless Module With Antenna

Overview

The NRF24L01+ Wireless Transceiver Module with PA, LNA, and SMA Antenna is the premier choice for long-distance, ultra-reliable 2.4GHz wireless communication in Arduino and embedded IoT projects. Unlike standard onboard PCB-antenna modules that max out at 50–100 meters, this upgraded revision incorporates a discrete RF Power Amplifier (PA) and a Low Noise Amplifier (LNA) alongside a high-gain external 2.4GHz SMA dipole antenna. This combination boosts transmit power to +20dBm and heightens receiver sensitivity, achieving phenomenal open-field communication ranges of up to 1000 meters (1 km) while maintaining Nordic's ultra-low power consumption and hardware packet acknowledgment (Enhanced ShockBurst).

Key Features

• Long-Range Power & Sensitivity: Integrated PA (+20dBm output) and LNA (-104dBm sensitivity) deliver up to 1000m line-of-sight range.
• Detachable SMA Antenna: Includes a 2.4GHz omnidirectional rubber-duck antenna with standard SMA threading for easy upgrading to directional Yagi or patch antennas.
• Multi-Rate Data Transmission: Configurable data rates of 250kbps, 1Mbps, and 2Mbps allow engineers to balance transfer speed against maximum distance.
• 5V Tolerant Logic Inputs: Connects directly to 5V Arduino Uno/Mega SPI pins without external bidirectional level shifters (VCC must remain 3.3V).
• Hardware ShockBurst Protocol: Built-in hardware packet assembly, auto-acknowledgment (ACK), and auto-retransmit offload processor overhead.
• 125 Multi-Channel Selection: Operates across 125 frequency channels to avoid Wi-Fi and Bluetooth interference.

Technical Specifications

• Operating Frequency: 2.400 GHz to 2.525 GHz (125 channels)
• Modulation Scheme: GFSK
• Supply Voltage (VCC): 3.0V to 3.6V DC (3.3V recommended)
• Digital I/O Voltage: 3.3V – 5.0V tolerant
• Transmit Output Power: +20 dBm (100 mW) max
• Receive Sensitivity: Down to -104 dBm (at 250 kbps)
• Transmit Current Draw: Approx. 115 mA peak
• Receive Current Draw: Approx. 45 mA
• Interface Protocol: High-speed SPI (up to 10 MHz)
• Antenna: 2 dBi 2.4GHz omnidirectional SMA male antenna
• Board Dimensions: 41 mm × 15.5 mm (excluding antenna)

Applications & Use Cases

• Long-Range Telemetry: Transmitting agricultural sensor data, soil moisture, and weather station feeds across fields up to 1km away.
• Drone & RC Control Links: Reliable two-way remote control and telemetry data links for RC planes, boats, and rovers.
• Smart Campus & Industrial Monitoring: Multi-node wireless sensor networks reporting to a central coordinator without cellular subscriptions.
• Home Automation Bridges: Penetrating thick concrete walls and multi-story buildings where standard Wi-Fi struggle.
• Robotics Swarm Coordination: Peer-to-peer inter-robot communication with automatic packet verification.

What's Included

• 1 × NRF24L01+ PA LNA Wireless Transceiver Board
• 1 × 2.4GHz 2dBi Omnidirectional SMA Antenna

Compatibility

• Microcontrollers: Fully supported by Arduino Uno, Mega, Nano, ESP32, ESP8266, STM32, and Raspberry Pi via popular libraries like RF24 and RF24Network.
• Power Requirement: Must be powered from a dedicated 3.3V regulator capable of delivering at least 250mA. (Adding a 10µF–100µF electrolytic capacitor across VCC and GND is highly recommended).

MOKWN Recommendation

The NRF24L01+ with PA and LNA is our top pick at MOKWN for any maker needing serious wireless distance on a budget. Workbench Pro-Tip: The standard 3.3V pin on an Arduino Uno cannot provide the sudden 115mA current spikes this PA module draws during transmission, leading to failed packets. We strongly advise using an NRF24L01 socket adapter board or soldering a 10µF/47µF capacitor directly across the module's VCC and GND pins for rock-solid stability. Order now from MOKWN for fast dispatch across Egypt!