SX1278 LoRa Module Ra- 02 433MHZ Wireless Spread Spectrum Transmission
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SX1278 LoRa Module Ra- 02 433MHZ Wireless Spread Spectrum Transmission

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₹449.00 (Inclusive of 18% GST)
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SX1278 LoRa Module Ra-02 433MHz Wireless Spread Spectrum Transmission

The SX1278 LoRa module Ra-02 is engineered for long-range wireless communication, leveraging the SEMTECH SX1278 wireless transceiver. This module employs sophisticated LoRa spread spectrum technology, enabling a communication range that reaches up to 10,000 metres. It is equipped with remarkable anti-jamming capabilities and features an air wake-up consumption mode.

Designed primarily for extensive spread spectrum communication, the SX1278 LoRa RF module exhibits low current consumption. It offers high sensitivity at -148 dBm and a power output of +20 dBm.

In contrast to conventional modulation technologies, LoRa modulation provides considerable advantages, particularly in blocking and selection, interference handling, and power efficiency.

Features

  • LoRa ™ Spread Spectrum modulation technology

  • Consistent RF power output at +20 dBm (100 mW) across voltage variations

  • Half-duplex SPI communication capability

  • Supports various modulation modes: FSK, GFSK, MSK, GMSK, LoRa ™, and OOK

  • Automatic RF signal detection, CAD mode, and high-speed AFC

  • Packet engine with CRC support for data packets up to 256 bytes

  • Compact dual-row stamp-hole patch design

  • Shielded construction for added durability

  • Includes a spring antenna

Applications:

  • Long-range wireless communication module based on the LoRa platform

  • Utilises SPI communication protocol and necessitates an antenna for effective RF communication

  • Operates at 3.3V and features 16 pins (8 on each side)

  • Compatible with microcontrollers like Arduino Uno and Nano

  • Commonly employed in Arduino & IoT projects, smart agriculture, smart city initiatives, and industrial automation, thanks to its extended communication range and minimal power consumption

SX1278 LoRa Module (RA-02 433MHz) – Arduino Connection & Wiring Guide

1. Important Notes Before Wiring

  • The SX1278 module functions at 3.3V logic and supply; it is not tolerant of 5V. Connecting 5V may result in damage to the module.

  • Attach a suitable antenna to the module's RF output to ensure reliable communication and prevent damage.

  • Maintain a common ground between the Arduino and the LoRa module to ensure dependable communication.

2. Wiring Table (Arduino UNO Example)

LoRa Module Pin

Arduino UNO Pin

Notes

VCC (3.3V)

3.3V

Ensure a stable 3.3V supply; some boards may need an external regulator.

GND

GND

Common reference for both devices.

NSS / CS

D10

Chip select for SPI communication.

DIO0

D2

Interrupt pin for packet-ready notifications.

SCK

D13

SPI clock line.

MISO

D12

SPI Master-In-Slave-Out.

MOSI

D11

SPI Master-Out-Slave-In.

SX1278 LoRa Module Ra-02 433MHz Wireless Spread Spectrum Transmission

The SX1278 LoRa module Ra-02 is engineered for long-range wireless communication, leveraging the SEMTECH SX1278 wireless transceiver. This module employs sophisticated LoRa spread spectrum technology, enabling a communication range that reaches up to 10,000 metres. It is equipped with remarkable anti-jamming capabilities and features an air wake-up consumption mode.

Designed primarily for extensive spread spectrum communication, the SX1278 LoRa RF module exhibits low current consumption. It offers high sensitivity at -148 dBm and a power output of +20 dBm.

In contrast to conventional modulation technologies, LoRa modulation provides considerable advantages, particularly in blocking and selection, interference handling, and power efficiency.

Features

  • LoRa ™ Spread Spectrum modulation technology

  • Consistent RF power output at +20 dBm (100 mW) across voltage variations

  • Half-duplex SPI communication capability

  • Supports various modulation modes: FSK, GFSK, MSK, GMSK, LoRa ™, and OOK

  • Automatic RF signal detection, CAD mode, and high-speed AFC

  • Packet engine with CRC support for data packets up to 256 bytes

  • Compact dual-row stamp-hole patch design

  • Shielded construction for added durability

  • Includes a spring antenna

Applications:

  • Long-range wireless communication module based on the LoRa platform

  • Utilises SPI communication protocol and necessitates an antenna for effective RF communication

  • Operates at 3.3V and features 16 pins (8 on each side)

  • Compatible with microcontrollers like Arduino Uno and Nano

  • Commonly employed in Arduino & IoT projects, smart agriculture, smart city initiatives, and industrial automation, thanks to its extended communication range and minimal power consumption

SX1278 LoRa Module (RA-02 433MHz) – Arduino Connection & Wiring Guide

1. Important Notes Before Wiring

  • The SX1278 module functions at 3.3V logic and supply; it is not tolerant of 5V. Connecting 5V may result in damage to the module.

  • Attach a suitable antenna to the module's RF output to ensure reliable communication and prevent damage.

  • Maintain a common ground between the Arduino and the LoRa module to ensure dependable communication.

2. Wiring Table (Arduino UNO Example)

LoRa Module Pin

Arduino UNO Pin

Notes

VCC (3.3V)

3.3V

Ensure a stable 3.3V supply; some boards may need an external regulator.

GND

GND

Common reference for both devices.

NSS / CS

D10

Chip select for SPI communication.

DIO0

D2

Interrupt pin for packet-ready notifications.

SCK

D13

SPI clock line.

MISO

D12

SPI Master-In-Slave-Out.

MOSI

D11

SPI Master-Out-Slave-In.

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✉️ support@robodium.com

Last updated: January 2026

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