Wireless & Communication 9 pins

LoRa Ra-02 (SX1278)

LoRa 433MHz long-range wireless module, SX1278. Up to 10km range, SPI interface.

// connector diagram 9 pins

// loading diagram...

// Specifications

Frequency

433 MHz

Range

Up to 10 km (line of sight)

Interface

SPI

Supply Voltage

3.3V

Data Rate

0.3 – 37.5 kbps

Sensitivity

-148 dBm

// Pin Reference Table

Pin	Name	Function	Type
VCC	VCC	3.3V power	PWR
GND	GND	Ground	GND
SCK	SCK	SPI clock	BUS
MISO	MISO	SPI MISO	BUS
MOSI	MOSI	SPI MOSI	BUS
NSS	NSS	SPI chip select	BUS
DIO0	DIO0	Interrupt output	I/O
DIO1	DIO1	Interrupt output	I/O
RST	RST	Reset, active low	I/O

The Ra-02 is a LoRa module based on the Semtech SX1278, operating at 433MHz. It provides long-range (up to 10km) low-power wireless communication via SPI. Ideal for IoT sensor nodes where range matters more than data rate.