| Feature | Details |
| Frequency Band | 2.4GHz ISM Band |
| Range | Up to 1100 Meters (Line of Sight) |
| Interface | SPI (Serial Peripheral Interface) |
| Operating Voltage | 3.3V DC (5V Tolerant Inputs) |
| Data Rate | 250kbps, 1Mbps, 2Mbps |
| Enhancements | Power Amplifier (PA) & Low Noise Amplifier (LNA) |
Product Description
The nRF24L01+ PA + LNA Wireless Module is an ultra-long-range version of the popular nRF24L01+ transceiver. This high-performance module is equipped with a dedicated Power Amplifier (PA) for high-intensity transmission and a Low Noise Amplifier (LNA) for superior reception sensitivity. Combined with the included 2.4GHz SMA duck-antenna, this module can achieve reliable communication distances of over 1 kilometer in open space. It is specifically designed for industrial remote control, telemetry, and long-range robotics where standard PCB-antenna modules fall short. At Robogears, we recommend this module for users looking for professional-grade wireless stability and extended reach for their Arduino and Raspberry Pi projects.
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Key Highlights
Ultra-Long Range: Capable of reaching up to 1.1km distance at a 250kbps baud rate in open-air environments.
PA & LNA Integration: The onboard amplifiers significantly boost signal strength and filtering, ensuring data integrity even through minor obstacles.
Low Power Consumption: Despite its high range, the module features advanced power management, drawing only 115mA during peak transmission.
Multi-Point Communication: Supports up to 6 channels of data reception (MultiCeiver functionality), allowing one master to talk to six slaves simultaneously.
Standard SPI Interface: Easily controlled by any microcontroller with an SPI port, making it highly compatible with global open-source libraries.
Technical Specifications
Frequency Range: 2.400 - 2.525 GHz
Operating Voltage: 1.9V to 3.6V (3.3V is standard)
Max Output Power: +20dBm
Sensitivity: -102dBm @ 250kbps
Working Current (TX): ~115mA
Working Current (RX): ~45mA
Antenna Connector: SMA (Screw-on antenna included)
Dimensions: 41mm x 15.5mm
Installation Tip from Robogears
While the logic pins of the nRF24L01+ are 5V tolerant, the VCC pin MUST be connected to 3.3V. Connecting it to 5V will permanently damage the module. Because the PA+LNA version draws more current during transmission, the 3.3V pin on a standard Arduino Uno may not provide enough stable power, leading to connection failures. We strongly recommend soldering a 10$\mu$F to 100$\mu$F capacitor across the VCC and GND pins of the module to smooth out power spikes and ensure reliable long-distance pairing.
Note: The product images provided are for illustration purposes only. The actual product may vary slightly in terms of design, color, or component layout due to manufacturing updates, but technical specifications will remain as described.