LoRa SX1278 433MHZ Long Range RF Wireless Module

LoRa SX1278 433MHz Long Range RF Wireless Module is a powerful low-power communication module based on the Semtech SX1278 LoRa chip. It supports ultra-long-range wireless data transmission at 433MHz using LoRa modulation, which significantly improves communication distance and interference resistance. This module is ideal for IoT, telemetry, smart agriculture, and remote monitoring applications where long-range and low-power operation are required.

Key Features:

• LoRa Modulation: Enables long-range and robust wireless communication with low power consumption.
• High Sensitivity: Up to -139 dBm with low power consumption.
• Low Power Operation: Sleep current as low as 200nA.
• High Output Power: Up to +20 dBm via PA_BOOST pin.
• Stable Communication: Excellent anti-interference and anti-blocking capabilities.

Technical Specifications:

• Chipset: Semtech SX1278
• Operating Frequency: 433MHz
• Modulation: LoRa, FSK, GFSK, OOK
• Transmit Power: Up to +20dBm
• Receive Sensitivity: -139dBm
• Data Rate: 0.018kbps to 37.5kbps (LoRa)
• Power Supply Voltage: 1.8V to 3.7V
• Current Consumption: 9.9mA RX, 120mA TX (max)

Mechanical Specifications:

• PCB Type: High-frequency RF optimized
• Antenna Interface: IPEX / u.FL connector
• Mounting: Pin header type, breadboard and PCB friendly

Dimensions:

• Module Size: Approx. 34mm x 17mm
• Pin Pitch: 2.54mm
• Height: Approx. 5mm (excluding antenna)

Pinout and Wiring:

• GND: Ground
• VCC: Power input (1.8V–3.7V, typically 3.3V)
• MISO: SPI MISO
• MOSI: SPI MOSI
• SCK: SPI Clock
• NSS: SPI Chip Select
• RESET: Reset pin
• DIO0–DIO5: Digital IO for interrupts and function mapping

Datasheet Reference:

• Search online for “SX1278 LoRa Module Datasheet Semtech”
• Refer to “Ra-02 / SX1278 module datasheet” for pinout and typical application circuits

Applications:

• Remote Sensing: Long-range communication in sensor networks
• Smart Agriculture: Wireless soil and environment data collection
• IoT Gateways: Interface for low-power wide-area networks (LPWAN)
• Home Automation: Wireless control of appliances and systems
• Telemetry Projects: Remote data transmission over hills and barriers

Equivalent Models:

• Ra-02: SX1278-based module with IPEX antenna and breadboard-friendly layout
• HopeRF RFM95W: LoRa module operating at 433MHz with SPI interface
• EBYTE E32-433T20D: 433MHz LoRa module with long-distance capability and UART interface

Package Includes:

• 1 x LoRa SX1278 433MHz Long Range RF Wireless Module