Private LoRaWAN Gateway with Built-in Local Server & Node-RED (US 915MHz)
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Description
The DFRobot Private LoRaWAN Gateway (US 915MHz) is an indoor LPWAN hub equipped with a built-in SIoT local server and pre-installed Node-RED. Powered by a quad-core processor and a Semtech SX1302 chip, it provides a self-contained IoT solution for hobbyists, educators, and developers building private sensor networks without cloud subscriptions.
Long-range private wireless coverage
Utilising a Semtech SX1302 8-channel chip with -140dBm sensitivity and up to 27dBm transmission power, the gateway receives sensor data across distances up to 4km on the US915 band. It supports Class A and Class C LoRaWAN protocols, allowing simultaneous communication with dozens of nodes.
Built-in local server and offline operation
An embedded SIoT local MQTT server processes and stores telemetry directly on the device, eliminating monthly cloud hosting fees and external privacy risks. Automations execute locally with zero latency, ensuring connected systems function continuously even without an internet connection.
Visual automation with pre-installed Node-RED
Pre-installed Node-RED provides a visual flow-based programming environment that simplifies complex automation logic. Users can map incoming sensor readings directly to downlink control commands, such as triggering an irrigation valve relay when soil moisture drops below a threshold.
Simplified data architecture and parsing
The gateway architecture streamlines communication between peripheral sensors, control terminals, and control outputs. Built-in automatic data parsing converts raw hexadecimal sensor payloads directly into human-readable engineering units.
Integrated LoRaWAN hardware ecosystem
Designed to work alongside DFRobot control terminals, Arduino-compatible development boards, and node modules compatible with micro:bit and ESP32. This hardware framework supports deployments including smart agriculture, weather stations, and STEM IoT education.
Quad-core processing hardware
The unit features a 1.3GHz quad-core Cortex-A35 processor, 512MB DDR4 RAM, 16GB eMMC storage, and a real-time clock. Connectivity includes 2.4GHz Wi-Fi with AP hotspot support, a 100Mbps Ethernet port, and dual power input options via USB Type-C (5V 2A) or DC2.1 (7-12V 2A).
Video
Downloads & documentation
Specifications
| USB-TYPE-C Port | 5V 2A |
| DC2.1 Power Supply Port | 7-12V 2A |
| Channels | ×8 |
| Operating Frequency Band | US915 |
| Transmission Power | 27dBm MAX |
| Protocol | Class A/Class C |
| Sensitivity | -140dBm@292bps |
| Antenna Connector | SMA |
| Antenna | 5dB Gain |
| WiFi | IEEE 802.11 b/g/n (2.4G) |
| AP Hotspot | IEEE 802.11 b/g/n (2.4G) |
| Ethernet | 1× 100Mbps Ethernet Port |
| CPU | Quad-core Cortex-A35, maximum frequency 1.3GHz |
| Memory | 512 MB DDR4 RAM |
| Flash Memory | 16GB eMMC |
| RTC | Built-in |
| Firmware Update | USB-TypeC |
| Product Dimensions | 142mm (L) × 102mm (W) × 30mm (H) (Antenna Excluded) |
| Product Weight | 445g (Including Packaging & Power Supply) / 188g (Gateway Host + Antenna) |
| Case Material | Environmentally Friendly ABS |
In the box
| LoRaWAN Indoor Gateway (915MHz) × 1 | 1 |
| Gateway Antenna × 1 | 1 |
| AC/DC Power Adapter × 1 | 1 |
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