The NGW-1pc Dragino LoRaST IoT Module is a compact industrial-grade LoRa® communication module designed to accelerate the development of long-range, low-power Internet of Things (IoT) devices. Developed by Dragino, the LoRaST platform combines the proven Semtech SX1276/SX1278 LoRa transceiver with the ultra-low-power STM32L072CZT6 microcontroller, providing developers with a highly integrated solution for wireless sensing, telemetry, monitoring, and automation applications.
Unlike traditional wireless technologies such as Wi-Fi or Bluetooth, which prioritize high throughput over distance and power efficiency, LoRa® technology is specifically designed for Low-Power Wide-Area Networks (LPWANs). The LoRaST module can transmit small packets of sensor and control data over several kilometers while consuming only a fraction of the power required by conventional wireless systems.
The module is particularly attractive for applications where devices must operate unattended for months or years on battery power. Agricultural monitoring stations, utility meters, environmental sensors, smart city infrastructure, industrial control nodes, and remote telemetry devices can all benefit from the module’s low-power architecture and long-range communication capabilities.
At its core, the LoRaST module integrates:
- STM32L072CZT6 ARM Cortex-M0+ microcontroller
- Semtech SX1276 or SX1278 LoRa transceiver
- Industrial-standard M.2 (NGFF) interface
- LoRaWAN 1.0.2 firmware support
- Open-source hardware and software architecture
- AT-command-based configuration system
- External antenna interface via I-Pex connector
These features allow developers to rapidly move from concept to deployment without having to design complex RF circuitry or low-level wireless communication stacks.
A particularly important advantage of the LoRaST platform is its flexibility. Users can operate the module using factory firmware and AT commands, or they can develop custom firmware using STM32Cube HAL libraries. This dual approach makes the module suitable for both rapid prototyping and fully customized industrial deployments.
For engineers seeking a compact, energy-efficient, and scalable LoRaWAN communication platform, the NGW-1pc Dragino LoRaST IoT Module offers a robust foundation for modern IoT development.
Technical Specifications
The following table summarizes the primary specifications of the Dragino LoRaST IoT Module.
| Parameter | Specification |
| Product Name | Dragino LoRaST IoT Module |
| Wireless Chipset | Semtech SX1276 / SX1278 |
| MCU | STM32L072CZT6 |
| MCU Core | ARM Cortex-M0+ |
| Clock Frequency | 32 MHz |
| Flash Memory | 192 KB |
| SRAM | 20 KB |
| EEPROM | 6 KB |
| Communication Protocol | LoRa®, LoRaWAN 1.0.2 |
| Frequency Options | EU433, CN470, EU868, IN865, KR920, AS923, AU915, US915 |
| Maximum RF Output Power | +20 dBm (100 mW) |
| Receiver Sensitivity | Down to -148 dBm |
| Maximum Link Budget | 168 dB |
| Supported Modulation | LoRa®, FSK, GFSK, MSK, GMSK, OOK |
| Data Rate | Up to 300 kbps |
| Interface | M.2 (NGFF) |
| Antenna Connection | I-Pex 4 Connector |
| Digital GPIO | 22 GPIO Pins |
| ADC | 3 × 12-bit ADC |
| DAC | 1 × 12-bit DAC |
| Serial Interfaces | USART1, USART2 |
| Peripheral Interfaces | I²C, I²S, SPI2, USB |
| Supply Voltage | 1.8 V – 3.6 V |
| Typical RX Current | 7.2–10.3 mA |
| TX Current (@20 dBm) | Approximately 125 mA |
| STOP Mode Current | 2.7 µA @ 3.3 V |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 22 × 42 × 3.6 mm |
| Weight | Approximately 4 g |
| Programming Methods | ST-LINK, USART1, USART2 |
| Software Support | STM32Cube HAL Drivers |
| Hardware Design | Open Source |
Specifications based on Dragino documentation and LoRaST product specifications.
Key Features
Semtech SX1276/SX1278 LoRa® Radio Architecture
The communication engine of the LoRaST module is the Semtech SX1276/SX1278 transceiver.
This radio platform provides:
- Long-range communication
- Excellent interference resistance
- High receiver sensitivity
- Extremely low power consumption
With sensitivity reaching -148 dBm and a link budget of 168 dB, the module can maintain communication across distances measured in kilometers under favorable deployment conditions.
Industrial-Grade STM32L072 MCU
The module incorporates the STM32L072CZT6 microcontroller.
Key benefits include:
- ARM Cortex-M0+ architecture
- Ultra-low-power operation
- Rich peripheral support
- Industrial temperature range
The MCU provides sufficient processing power for sensor acquisition, data processing, encryption, and wireless communication management while maintaining exceptionally low energy consumption.
Ultra-Low Power Consumption
One of the most impressive characteristics of the LoRaST platform is power efficiency.
Typical current consumption:
| Mode | Current |
| STOP Mode | 2.7 µA |
| Receive Mode | 7.2–10.3 mA |
| Transmit Mode | 125 mA @ 20 dBm |
This enables battery-powered deployments capable of operating for extended periods in remote locations.
LoRaWAN 1.0.2 Support
The factory firmware supports the LoRaWAN 1.0.2 specification.
This enables compatibility with:
- Private LoRaWAN networks
- Public LoRaWAN infrastructure
- ChirpStack servers
- The Things Stack
- Industrial IoT platforms
Users can configure network parameters directly through AT commands without writing custom firmware.
Flexible Frequency Band Support
The LoRaST platform supports multiple regional frequency bands:
- EU433
- CN470
- EU868
- IN865
- KR920
- AS923
- AU915
- US915
This flexibility allows global deployment while complying with local radio regulations.
Industrial M.2 (NGFF) Interface
Unlike many hobby-oriented LoRa modules, the LoRaST uses a standard M.2 (NGFF) connector.
Benefits include:
- Secure mechanical mounting
- Reliable electrical connectivity
- Simplified system integration
- Industrial deployment suitability
This design approach facilitates integration into commercial and industrial products.
Open-Source Ecosystem
Dragino provides open-source hardware and software support.
Developers can:
- Access source code
- Modify firmware
- Create custom protocols
- Integrate proprietary applications
This flexibility significantly reduces development risk and accelerates product innovation.
Rich Peripheral Connectivity
The module exposes extensive interfaces:
- SPI
- UART
- USB
- I²C
- I²S
- ADC
- DAC
- GPIO
This makes the LoRaST suitable for connecting:
- Sensors
- Actuators
- Displays
- Data loggers
- Industrial control systems
without requiring additional controllers.
Application Scenarios
Smart Agriculture
Agricultural operations often span large geographic areas where conventional network infrastructure is unavailable.
LoRaST-based sensor nodes can monitor:
- Soil moisture
- Irrigation status
- Temperature
- Humidity
- Livestock conditions
Imagine a vineyard stretching across rolling hills. Distributed LoRaST sensor nodes silently collect environmental data and transmit it to a central gateway kilometers away, allowing farmers to make data-driven decisions while minimizing water and energy consumption.
Smart Metering
Utility providers increasingly rely on wireless meter reading systems.
The module can support:
- Water meters
- Electricity meters
- Gas meters
- Heat meters
Long-range communication allows thousands of meters to connect to centralized collection points without costly wired infrastructure.
Industrial Monitoring
Factories and industrial facilities often require continuous monitoring of distributed equipment.
The LoRaST can be used to collect:
- Machine status
- Vibration data
- Pressure measurements
- Temperature readings
- Energy consumption metrics
Its industrial temperature range and reliable communication make it suitable for demanding environments.
Smart City Infrastructure
Municipal deployments benefit significantly from LPWAN technologies.
Potential applications include:
- Street lighting control
- Parking management
- Waste collection monitoring
- Environmental sensing
- Public infrastructure supervision
Thousands of distributed nodes can communicate efficiently while consuming very little power.
Building Automation
Modern buildings rely on numerous sensors and control devices.
The LoRaST can support:
- HVAC monitoring
- Occupancy sensing
- Lighting control
- Air quality measurement
- Security systems
The long communication range simplifies installation across large facilities.
Remote Environmental Monitoring
Researchers often need sensor stations in isolated areas.
Applications include:
- Forest monitoring
- Flood detection
- Weather stations
- Wildlife observation
- Water quality measurement
The module’s low power consumption enables operation from batteries or solar power systems for extended periods.
Long-Range Irrigation Control
One of Dragino’s highlighted use cases is irrigation management.
Distributed irrigation valves and sensors can communicate wirelessly across large farms, allowing precise water management while reducing labor costs.
Competitive Analysis
| Product | MCU | LoRa Chip | Max Power | Sensitivity | Main Advantage | Main Limitation |
| Dragino LoRaST | STM32L072 | SX1276/78 | +20 dBm | -148 dBm | Industrial M.2 interface and open-source design | Requires external carrier board |
| RAK3172 | STM32WLE5 | Integrated LoRa MCU | +22 dBm | -148 dBm | Single-chip architecture | Fewer exposed interfaces |
| Microchip RN2483 | PIC MCU | LoRaWAN Integrated | +14 dBm | -146 dBm | Easy LoRaWAN deployment | Lower RF power |
| Seeed Wio-E5 | STM32WLE5 | Integrated | +22 dBm | -148 dBm | Compact size and low power | Fewer GPIO resources |
| Heltec CubeCell Module | ASR650x | Integrated LoRa | +21 dBm | -129 dBm typical | Excellent battery operation | Less industrial-focused |
| Ebyte E22 Series | Various | SX126x | +22 dBm | -147 dBm | Excellent RF performance | Often requires additional MCU |
The Dragino LoRaST distinguishes itself through its combination of industrial-grade interfaces, mature STM32 ecosystem, open-source support, and ready-to-use LoRaWAN firmware. While newer integrated LoRa MCU solutions may reduce component count, the LoRaST remains attractive for developers who require extensive peripherals and flexible firmware customization.
Conclusion
The NGW-1pc Dragino LoRaST IoT Module is a powerful and versatile LPWAN communication platform engineered for industrial IoT deployments. By combining the STM32L072 ultra-low-power microcontroller with the Semtech SX1276/SX1278 LoRa transceiver, the module delivers exceptional communication range, outstanding energy efficiency, and flexible system integration.
Its key strengths include:
- LoRaWAN 1.0.2 compatibility
- Up to 168 dB link budget
- Receiver sensitivity down to -148 dBm
- Ultra-low power operation
- Rich peripheral support
- Open-source hardware and software
- Global frequency band options
- Industrial M.2 interface
These capabilities make the LoRaST an excellent choice for smart agriculture, utility metering, industrial automation, environmental monitoring, smart cities, and remote telemetry systems. Whether deployed as a standalone sensor node or integrated into a larger IoT ecosystem, the module provides a reliable foundation for long-range wireless communication.
For engineers, product developers, and system integrators seeking a mature and industrial-ready LoRa platform, the Dragino LoRaST IoT Module remains a compelling solution that balances flexibility, performance, scalability, and power efficiency.
