LoRa SX1278 Wireless Module 433MHz | Sri Lanka
Specification
The LoRa SX1278 Wireless Transmission Module is a high-performance spread spectrum communication module based on the Semtech SX1278 chip. Operating at 433MHz, it offers long-range, low-power communication perfect for IoT, smart agriculture, weather monitoring, and home automation.
Key Features:
Frequency: 433MHz
Technology: LoRa (Long Range) Spread Spectrum
Modulation: FSK/GFSK/MSK/LoRa™
Range: Up to 5–10 km (open area)
Power Supply: 3.3V
Interfaces: SPI
Applications:
Wireless sensor networks
Arduino and Raspberry Pi projects
Remote control systems
Low-power IoT devices
Local Availability: In stock and delivered across Sri Lanka
The SX1278 is widely used in DIY electronics, smart cities, and telemetry systems due to its impressive range and stability under interference.
category | parameter | Description |
Wireless parameter | Standard certification | FCC/CE |
| Wireless standard | 433MHz | |
| Frequency Range | 420~450MHz | |
Hardware parameter | Data connection? | SPI |
| GPIO |
| Operating Voltage | 1.8~3.7V, typical value 3.3V | |
| Working current | Receive: ≦ 10.8mA (LnaBoost off, band 1) Launch: ≦120mA (+20dBm) SleepMode: 0.2μA | |
| Operating temperature | -40~+85°C | |
| storage temperature | Normal temperature |
PinFoot number | PinFoot name | Function Description | |
Ra-01 | Ra-02 | ||
1 | – | ANT | antenna |
2 | 1,2 | GND | Ground |
3 | 3 | 3.3V | 3.3Vpowered by |
4 | 4 | RESET | Reset |
5 | 5 | DIO0 | Digital IO0, software configuration |
6 | 6 | DIO1 | Digital IO1 software configuration |
7 | 7 | DIO2 | Digital IO2 software configuration |
8 | 8 | DIO3 | Digital IO3 software configuration |
9 | 9 | GND | Ground |
10 | 10 | DIO4 | Digital IO4 configuration |
11 | 11 | DIO5 | Digital IO5 software configuration |
12 | 12 | SCK | SPIClock input |
13 | 13 | MISO | SPIData output |
14 | 14 | MOSI | SPIdata input |
15 | 15 | NSS | SPIChip select input |
16 | 16 | GND | Ground |
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