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, extrem geringer Stromverbrauch, and strong anti-interference capability, making it ideal for IoT, industrial data acquisition, smart sensing, and other long-distance low-power wireless applications.
1. Kernpositionierung & Merkmale
This is an Industriequalität, geringer Stromverbrauch, 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)
- Industrielle Datenerfassung
- Wireless sensing
- Remote control systems
Hauptvorteile:
- 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)
- Unterstützt LoRa spread spectrum + (G)FSK dual modulation, enabling:
- Große Reichweite, langsame Kommunikation (LoRa)
- Kurze Reichweite, high-speed communication (FSK)
2. Key Specifications
| Parameter | Spezifikation |
|---|---|
| RF Chip | Semtech SX1262 |
| Frequency Band | 850–930 MHz (unterstützt 868 / 915 MHz for EU / UNS / Oceania) |
| Modulation | LoRa / (G)FSK |
| Sendeleistung | Bis zu 22 dBm @ 3.3V (107 mA @ 22 dBm; 45 mA @ 14 dBm) |
| Empfängerempfindlichkeit | LoRa: -148 dBm (SF12, 125 kHz); FSK: -126 dBm |
| Datenrate | LoRa: 0.018–62.5 kbps; (G)FSK: 0.6–300 kbps |
| Spreading Factor | SF5–SF12 |
| Betriebsspannung | 3.3V (compatible with 1.8–3.7V) |
| Stromverbrauch | RX: 5.3 mA; Sleep: <1 μA; TX: 107 mA @ 22 dBm |
| Schnittstelle | SPI (bis zu 18 MHz), with BUSY, ZURÜCKSETZEN, DIO1/DIO2 pins |
| Paket / Größe | Stamp-hole + Unterlage, 2.54 mm pitch; 19.0 × 22.0 mm |
| Betriebstemperatur | -40°C bis +85°C (Industriequalität) |
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:
- ZURÜCKSETZEN – Reset (active low)
- BUSY – Busy status (high = busy)
- DIO1 / DIO2 – Interrupt / status output
RF & Leistung:
- ANT – Antenna interface (requires external SMA or IPEX antenna)
- VCC – Power supply (3.3V)
- GND – Ground
4. Functions & Anwendungsszenarien
Core Functions
- LoRa-Spread-Spectrum-Kommunikation
Strong anti-interference and diffraction capability, ideal for complex industrial and outdoor environments - Ultra-Low Power Operation
Tiefschlafmodus (<1 μA), suitable for battery-powered devices such as sensor nodes - Dual Modulation Switching
Flexible switching between LoRa (große Reichweite) and FSK (high-speed short-range) - Enhanced Reliability Features
Unterstützt:- Listen Before Talk (LBT)
- RSSI-Signalerkennung
- CRC-Fehlerprüfung
- Data encryption
Typische Anwendungen
- Industrielles IoT
Remote-Instrumente, Sensoren, SPS-Funkkommunikation - Intelligente Landwirtschaft & Umweltüberwachung
Boden, Wetter, und Datenerfassung zur Wasserqualität - Smart Metering & Sicherheitssysteme
Zählerstand, Alarmanlagen, drahtlose Steuerung - Überwachung von Outdoor-Geräten
- LoRaWAN-Knoten
Stellen Sie über LoRa-Gateways eine Verbindung zu Netzwerken her (z.B., TTN)
