Atomic DTU LoRaWAN Base Station – US915 Frequency Band, Powered by STM32WLE5CC Microcontroller

Description

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Description

Atom DTU LoRaWAN-US915 is a LoRaWAN programmable data transmission unit (DTU) designed for the 915 MHz frequency band, specifically tailored for the US915 band, suitable for the United States and other regions using the US915 band. This module employs the STM32WLE5 solution, supporting long‑range communication with low power consumption and high sensitivity. The module features a built‑in LoRaWAN protocol stack, supporting Class A, Class B and Class C operation modes for easy connection to various LoRaWAN server platforms such as TTN, ChirpStack, Actility, Tencent Cloud, etc.; it also supports LoRa® point‑to‑point (P2P) communication mode and uses a UART communication interface (controlled via the AT command set) for flexible configuration, and integrates an RS485 communication interface to provide reliable wired connectivity for industrial field devices. The product uses a high‑performance rubber‑duck antenna, with an optimized design to deliver more stable signal coverage and longer communication range, suitable for a variety of complex environments. In LoRaWAN mode, the module can act as a node to connect to a gateway for data collection and management; in P2P mode, it can achieve direct device‑to‑device communication without a gateway. Structurally, the module features a standard 35 mm DIN rail slot at its base, allowing direct installation on industrial rails for quick deployment and maintenance in cabinets or distribution boxes. It is designed for long‑range, low‑power IoT communication scenarios such as smart agriculture, industrial monitoring, and environmental monitoring node deployments.

Features

• Complies with LoRaWAN® 1.0.3 protocol
• Supports 902 – 928 MHz band
• Supports LoRa® P2P (point‑to‑point) communication
• LoRaWAN Activation Modes: OTAA, ABP
• Serial communication (AT commands)
• RS485 communication
• High‑sensitivity stick antenna
• Low power consumption
• LEGO‑compatible mounting holes
• DIN rail mounting design
• Development Platforms:
  • UiFlow1
  • UiFlow2
  • Arduino IDE

Includes

• 1 × Atom DTU LoRaWAN‑US915
• 1 × Stick antenna (@0.5 dBi total length 195 mm, SMA male)
• 1 × HT3.96‑4P wiring terminal

Applications

• Smart agriculture
• Industrial monitoring
• Environmental monitoring node deployment

Specifications

Learn and Documents

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