NRF24L01+PA+LNA 2.4GHz Wireless Module 1100m Range 5V 3V I/O SPI Arduino - Image 1
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NRF24L01+PA+LNA 2.4GHz Wireless Module 1100m Range 5V 3V I/O SPI Arduino

HC-05 6 Pin Wireless Bluetooth RF Transceiver Module Serial Arduino Master Slave
NRF24L01+(Compatible)+PA+LNA, UFL, PCB Antenna 2.4GHz Wireless Module GT-24
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Description

Enhanced NRF24L01+PA+LNA 2.4GHz Wireless Module – Up to 1100m Range – Compatible with 5V and 3V I/O – SPI Interface for Arduino

Experience Extended Range with the NRF24L01+PA+LNA 2.4GHz Wireless Module

Unlock the potential of your wireless communication projects with the NRF24L01+PA+LNA wireless module. This advanced module combines power and sensitivity to provide an impressive communication range of up to 1100 meters in the 2.4GHz ISM band. Whether you’re looking to establish point-to-point connections or create a dynamic star network, this module offers the flexibility and performance you need.

Key Features:

  • NRF24L01P + PA + LNA Integration: Our wireless module is engineered for ultra-long-distance data transmission. The combination of the NRF24L01P chip, a high-power PA (power amplifier), and LNA (low noise amplifier) ensures reliable and efficient communication even in challenging environments.
  • Professional Design: The digital transmission chip NRF24L01+ is equipped with high-quality RF components, including a full two-way RF power amplifier, RF switches, and bandpass filters. This design maximizes the communication distance and minimizes interference, providing a seamless user experience.
  • Optimal RF Performance: Through meticulous optimization and matching debugging, our module achieves exceptional emission efficiency while reducing harmonic interference to external equipment. This ensures minimal disruption to your surrounding devices while maintaining a strong, interference-free connection.
  • Compact Integration: Despite its advanced capabilities, the NRF24L01+PA+LNA wireless module boasts a compact size of 41mm x 15.5mm, allowing for effortless embedding into your projects.

Product Details:

  • Voltage Range: 3V to 3.6V
  • Maximum Output Power: +20 dBm
  • Transmit Mode Current: 115mA
  • Receiver Mode Current: 45mA
  • Sleep Mode Current: 4.2uA
  • Operating Temperature: -20°C to 70°C
  • Receiver Sensitivity: -92dBm (2Mbps), -95dBm (1Mbps), -104dBm (250kbps)
  • PA Gain: 20dB
  • LNA Gain: 10dB
  • LNA Noise Figure: 2.6dB
  • Antenna Gain: 2dBI
  • Data Rate: Up to 2Mbps

Elevate your wireless projects with the NRF24L01+PA+LNA wireless module. Whether you’re a hobbyist or a professional, this module empowers you to achieve extended communication ranges with confidence. Enjoy seamless connectivity and reliable performance for your Arduino-based projects and beyond.

📌 Code Examples & Usage – 1100m nRF24L01+ PA+LNA Wireless Module

📋 Overview

This nRF24L01+ compatible PA+LNA wireless module is designed for long-range 2.4GHz communication, with typical line-of-sight ranges up to ~1100 metres when used with a stable power supply and antenna.

Compared to standard nRF24L01 modules, this version includes:

  • PA (Power Amplifier) for stronger transmit power

  • LNA (Low Noise Amplifier) for improved receive sensitivity

  • External antenna for extended range

Ideal for:

  • Long-range wireless sensors

  • Telemetry & data links

  • Remote control systems

  • Arduino / ESP32 / ESP8266 projects

  • Battery or solar-powered nodes

📌 This module uses the nRF24 protocol, not Wi-Fi or Bluetooth.

⚙ Key Features

  • Frequency: 2.4GHz ISM band

  • Interface: SPI

  • Voltage: 3.3V ONLY

  • PA+LNA long-range design

  • External antenna (SMA / IPEX depending on version)

  • Compatible with RF24 (TMRh20) libraries

⚠ CRITICAL – Power Supply Requirements

🚨 Power quality is the #1 cause of issues with PA+LNA modules

This module draws significantly more current than standard nRF24L01 boards, especially during transmission bursts.

✅ Strongly Recommended

  • Dedicated 3.3V regulator (buck or LDO)

  • Large decoupling capacitor placed as close as possible to the module:

    • 47µF–220µF electrolytic

    • Plus 0.1µF ceramic

❌ Do NOT rely on:

  • Arduino Uno 3.3V pin

  • Weak USB-to-3.3V supplies

📌 Most “range issues” are actually power instability issues.

🔌 Pinout (SPI)

Pin Function
VCC 3.3V
GND Ground
CE Chip Enable
CSN SPI Chip Select
SCK SPI Clock
MOSI SPI MOSI
MISO SPI MISO
IRQ Interrupt (optional)

🔌 Wiring – Arduino Uno / Nano

nRF24L01 Arduino
VCC 3.3V regulator output
GND GND
CE D9
CSN D10
SCK D13
MOSI D11
MISO D12

📌 Add the capacitor directly across VCC ↔ GND at the module.

🔌 Wiring – ESP32 (Recommended Platform)

nRF24L01 ESP32
VCC 3.3V (stable supply)
GND GND
CE GPIO27
CSN GPIO5
SCK GPIO18
MOSI GPIO23
MISO GPIO19

📦 Library Installation (Arduino IDE)

Install RF24 by TMRh20:

  1. Arduino IDE → Library Manager

  2. Search: RF24

  3. Install RF24 (TMRh20)

🧪 Example 1️⃣ – Long-Range Transmitter (TX)

#include <SPI.h>
#include <RF24.h>

RF24 radio(9, 10); // CE, CSN
const byte address[6] = "AUS01";

void setup() {
Serial.begin(9600);
radio.begin();
radio.openWritingPipe(address);

radio.setDataRate(RF24_250KBPS); // Best range
radio.setPALevel(RF24_PA_LOW); // Start LOW
radio.setChannel(108); // Avoid WiFi overlap
radio.stopListening();
}

void loop() {
const char msg[] = "AuscomTech TX";
radio.write(&msg, sizeof(msg));
Serial.println("Sent");
delay(1000);
}

🧪 Example 2️⃣ – Long-Range Receiver (RX)

#include <SPI.h>
#include <RF24.h>

RF24 radio(9, 10);
const byte address[6] = "AUS01";

void setup() {
Serial.begin(9600);
radio.begin();
radio.openReadingPipe(0, address);

radio.setDataRate(RF24_250KBPS);
radio.setPALevel(RF24_PA_LOW);
radio.setChannel(108);
radio.startListening();
}

void loop() {
if (radio.available()) {
char msg[32] = {0};
radio.read(&msg, sizeof(msg));
Serial.print("Received: ");
Serial.println(msg);
}
}

📶 Recommended RF Settings for Maximum Range

Setting Value
Data Rate RF24_250KBPS
PA Level Start LOW, increase if stable
Channel 90–120 (avoid Wi-Fi overlap)
Retries Enabled (default)

📌 Increase PA level only after confirming stable power.

📡 Antenna Notes

✔ Always connect the antenna before powering up
✔ Never transmit without an antenna attached
✔ Keep antenna vertical and clear of metal
✔ Line-of-sight dramatically improves range

🧠 Common Issues & Fixes

Issue Cause Fix
Short range Weak 3.3V supply Use regulator + capacitor
Random dropouts Voltage dips Increase bulk capacitance
No communication Channel conflict Change channel
ESP32 instability Shared power Separate regulator

Additional information

Weight 30 g
Dimensions 260 × 160 × 20 mm

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