This product is an industrial-grade LoRa wireless communication module based on the Semtech SX1262 chipset. It operates in the 850–930 MHz frequency band and supports dual modulation modes: LoRa and (G)FSK.
It features long-range transmission, ultra-low power consumption, and strong anti-interference capability, making it ideal for IoT, industrial data acquisition, smart sensing, and other long-distance low-power wireless applications.
1. Core Positioning & Features
This is an industrial-grade, low-power, long-range Sub-GHz LoRa communication module, optimized for:
- Long-distance transmission
- Low power consumption
- Strong anti-interference performance
It is widely used in:
- Internet of Things (IoT)
- Industrial data acquisition
- Wireless sensing
- Remote control systems
Key Advantages:
- Compared to legacy SX127x series, the SX1262 offers:
- Lower power consumption
- Higher receiver sensitivity
- Longer communication range (up to 5–10 km in line-of-sight conditions)
- Supports LoRa spread spectrum + (G)FSK dual modulation, enabling:
- Long-range, low-speed communication (LoRa)
- Short-range, high-speed communication (FSK)
2. Key Specifications
| Parameter | Specification |
|---|---|
| RF Chip | Semtech SX1262 |
| Frequency Band | 850–930 MHz (supports 868 / 915 MHz for EU / US / Oceania) |
| Modulation | LoRa / (G)FSK |
| Transmit Power | Up to 22 dBm @ 3.3V (107 mA @ 22 dBm; 45 mA @ 14 dBm) |
| Receiver Sensitivity | LoRa: -148 dBm (SF12, 125 kHz); FSK: -126 dBm |
| Data Rate | LoRa: 0.018–62.5 kbps; (G)FSK: 0.6–300 kbps |
| Spreading Factor | SF5–SF12 |
| Operating Voltage | 3.3V (compatible with 1.8–3.7V) |
| Power Consumption | RX: 5.3 mA; Sleep: <1 μA; TX: 107 mA @ 22 dBm |
| Interface | SPI (up to 18 MHz), with BUSY, RESET, DIO1/DIO2 pins |
| Package / Size | Stamp-hole + pad, 2.54 mm pitch; 19.0 × 22.0 mm |
| Operating Temperature | -40°C to +85°C (industrial grade) |
3. Pin Definition (Key Interfaces)
The module uses a standard SPI interface. Key pins include:
SPI Interface:
- CS – Chip Select
- CLK – Clock
- MOSI – Master Output, Slave Input
- MISO – Master Input, Slave Output
Control Pins:
- RESET – Reset (active low)
- BUSY – Busy status (high = busy)
- DIO1 / DIO2 – Interrupt / status output
RF & Power:
- ANT – Antenna interface (requires external SMA or IPEX antenna)
- VCC – Power supply (3.3V)
- GND – Ground
4. Functions & Application Scenarios
Core Functions
- LoRa Spread Spectrum Communication
Strong anti-interference and diffraction capability, ideal for complex industrial and outdoor environments - Ultra-Low Power Operation
Deep sleep mode (<1 μA), suitable for battery-powered devices such as sensor nodes - Dual Modulation Switching
Flexible switching between LoRa (long-range) and FSK (high-speed short-range) - Enhanced Reliability Features
Supports:- Listen Before Talk (LBT)
- RSSI signal detection
- CRC error checking
- Data encryption
Typical Applications
- Industrial IoT
Remote instruments, sensors, PLC wireless communication - Smart Agriculture & Environmental Monitoring
Soil, weather, and water quality data collection - Smart Metering & Security Systems
Meter reading, alarm systems, wireless control - Outdoor Equipment Monitoring
- LoRaWAN Nodes
Connect to networks via LoRa gateways (e.g., TTN)
