433MHz LoRa SX1278 Long Range RF Wireless Module — DRF1278F, UART, -148dBm Sensitivity

433MHz LoRa SX1278 Long Range RF Wireless Module — DRF1278F

The DRF1278F is a 433MHz LoRa wireless module built on the Semtech SX1278 transceiver IC, offering exceptional -148dBm receive sensitivity and up to 10km line-of-sight range. With a simple UART interface and transparent serial transmission, it enables long-range wireless communication for IoT sensor networks, remote monitoring, and telemetry applications without complex RF protocol implementation.

Key Specifications

Parameter	Value
Module	DRF1278F
RF IC	Semtech SX1278
Frequency	433MHz
Modulation	LoRa (CSS) / FSK
Receive Sensitivity	-148dBm (LoRa mode)
Max Range	Up to 10km (line of sight)
Interface	UART (transparent serial)
Supply Voltage	3.3V
TX Power	Up to +20dBm (100mW)
Spreading Factor	SF6–SF12 (configurable)

Why Choose LoRa SX1278?

• ✅ -148dBm sensitivity — exceptional range in noisy RF environments
• ✅ Up to 10km range — far exceeds WiFi, Bluetooth, and 433MHz OOK modules
• ✅ UART transparent serial — no LoRa stack knowledge required, send/receive like serial port
• ✅ Low power — ideal for battery-powered remote sensor nodes
• ✅ 433MHz band — better building penetration than 868/915MHz

Typical Applications

• IoT long-range wireless sensor network
• Remote weather station and environmental monitoring
• Agricultural sensor telemetry
• Smart metering and utility monitoring
• Long-range RC control link
• LoRaWAN gateway node (with LoRaWAN stack)

Package Contents

• 1 × DRF1278F 433MHz LoRa SX1278 RF Wireless Module

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