USR-DR154 | “Lipstick” Size 4G Modem DIN Rail Mounting, Modbus Gateway, SSL Encryption The USR-DR154 is an ultra-small size 4G modem with RS485 port . It can realize transparent transmission between RS485 and 4G network. It supports multiple protocols like TCP/UDP/HTTP/MQTT. It supports timeout restart, DNS and other advanced features such as heartbeat packet, registration packet etc. With this device, users can make it easy for data transmitting of the field serial device.
Key Feature
  • “Lipstick” Size: Save Your Space
  • Competitive Data Plan: 1200M
  • Rich Protocols: TCP/UDP/HTTP/MQTT/SSL
  • Modbus Gateway: Modbus TCP/RTU conversion
  • Easy Config: AT command, config utility
Serial to 4G, Bidirectional Transparent Data
Tata Transmission With this 4G modem, traditional serial devices can be connected to 4G network and send data to remote server via TCP/UDP/MQTT protocol. For MQTT protocol, it supports SSL encryption whicn can protect the data from leaking.
Data Service Solution, PUSR Provides one-stop Service PUSR not only offers equipment with outstanding performance, but also provides highly competitive data plans. Pls contact our professional sales team, who will tailor the most suitable data plan for you based on your specific needs.
  • APN: linksnet
  • User name/Password: None/none
  • Data Plan: 100M/month, total 12 Months
  • Region: Europe, compatible with the mainstream carrier like Vodafone、France Telecom、Telefonica、TeliaSonera、Orange、Wind Tre and etc.
  • Contact: Contact your sales manager or Contact Us when you have any question
One More Thing, Modbus Gateway Connect to PLC, SCADA system or user’s private server to achieve local or remote motoring.
FOTA Remote Upgrade With the management platform, it can realize the remote firmware upgrade. The upgrade package of difference algorithm is small, and the upgrade traffic and time are saved.
Additional Features
  • Heartbeat Packet Server can detect abnormal disconnection from the client using this feature（DR3X as an TCP client).
  • Registration Packet The server can identify different clients by using registration packets.
Ultra-small Size
  • 3 Practical Designs, Easy Your Installation.
  • Ultra-small size like a lipstick, can be applied to various scenarios, especially the small box.
  • Appearance patent number: 202130367085.8.
Easy connection Push-type, pluggable wire connector, easy wiring, no need for additional tools such as screwdrivers.
  • Push wire connector.
  • Pluggable wire connector.
High Reliability Design
  • Watchdog Protection
  • Hardware & software dual watchdog to ensure stable operation.
  • EMC Protection: Level 2
  • Wide Operating Temp
  • -25℃ ~ 75℃, industrial grade design, stable operation in harsh environments.
  • Flame retardant rating: V0, burning stops within 10 seconds on a vertical part allowing for drops of plastic that are not inflames.
What’s in the box？
  • Default:
  • USR-DR154*1
  • Rod Antenna*1
  • Optional:
  • Power Adapter+patch cord:
  • Sucker Antenna:
Data Collection of Distribution Boxes By virtue of its small size and DIN-Rail installation, USR-DR154 can be installed in a low voltage distribution box to save space. With extremely fast response speed, 4G DTU device can timely send data to the control platform.
Charging Pile Integrated Installation By virtue of the variety of product integration modes, USR-DR154 can be directly integrated into the user‘s boxes for real-time data transmission. It can also be applied to intelligent express cabinet installation, self-service vending machine installation and other scenarios.