SX1278 Spread Spectrum Power Meter Reading Module 5km Wireless Transceiver Module

The SX1278 Spread Spectrum Power Meter Reading Module is a high-performance LoRa wireless transceiver built for long-range and low-power communication. It supports both FSK/GFSK and LoRa modulation technologies, providing reliable wireless transmission with excellent interference resistance. With a receiver sensitivity of up to -139 dBm and communication distance reaching 5 km, it ensures stable performance in demanding environments. The module features a standard SPI interface for easy integration into embedded systems and supports intelligent power-saving functions such as sleep mode and timing wake-up. Its compact design, RSSI detection, 256-bit FIFO buffer, and multiple transmission modes make it suitable for wireless meter reading, industrial monitoring, remote data acquisition, smart home automation, and other wireless control applications requiring dependable long-distance communication. Features: Long-range wireless communication up to 5 km LoRa and FSK/GFSK modulation support High receiver sensitivity of -139 dBm Strong anti-interference performance Standard SPI interface for easy integration Low-power operation with sleep mode RSSI channel detection function Compact module for embedded applications Specifications: Wireless Technology: LoRa, FSK/GFSK Communication Mode: Half Duplex Communication Range: Up to 5 km Receiver Sensitivity: -139 dBm Channel Rejection Ratio: 56 dB Crystal: 32 MHz, 10 ppm Passive Crystal Interface: SPI Frequency Band: ISM Multi-band Receive Current: 10–12 mA FIFO Buffer: 256-bit TX/RX Transfer Mode: FIFO / Direct Mode Module Size: 22.8 × 22.7 × 4.2 mm Weight: 3 g Package Includes: 1 x SX1278 Spread Spectrum Power Meter Reading Module 5km Wireless Transceiver Module 1 x Spring

Specifications

Wireless Technology	LoRa, FSK/GFSK
Communication Mode	Half Duplex
Communication Range	Up to 5 km
Receiver Sensitivity	-139 dBm
Channel Rejection Ratio	56 dB
Crystal	32 MHz, 10 ppm Passive Crystal
Frequency Band	ISM Multi-band
Receive Current	10–12 mA
Shipping Weight	0.005 kg
Shipping Dimensions	8 × 6 × 1 cm