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Home Product USR-DR404 4G LTE Dual SIM VPN Router for IoT M2M Secure Data Transmission
DIN-Rail RS485 to WiFi Converters

USR-DR404 4G LTE Dual SIM VPN Router for IoT M2M Secure Data Transmission

USR-DR404 module
DR404 IoT gateway
RS485 to Ethernet converter
USR-DR404
The USR-DR404 module is a robust DR404 IoT gateway designed as an RS485 to Ethernet converter, enabling industrial-grade device connectivity and remote data transmission for automation systems.
Categories:Automation
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Product Description

The USR-DR404 module, also known as the DR404 IoT gateway, is a robust RS485 to Ethernet converter designed for industrial applications. It features 4 digital inputs and 4 relay outputs, enabling direct connectivity with up to 32 devices via RS485 Modbus. Supporting Ethernet and optional Wi-Fi, it operates within a 9-36V DC range and withstands temperatures from -20°C to 70°C. Ideal for industrial automation, smart agriculture, and remote monitoring, this gateway offers reliable data transmission over 1200 meters via RS485. Compact and durable, its key strengths include seamless protocol conversion and stable network integration, while lacking built-in battery or display. Designed for scalability, it simplifies IoT deployments in harsh environments.
Parameter Specification
Product Model USR-DR404 module
Device Type DR404 IoT gateway, RS485 to Ethernet converter
Hardware Interfaces RS485, Ethernet 10/100M port, 4-pin terminal
Network Protocols TCP/IP, UDP, DHCP, DNS, PPPoE
Serial Parameters Baud rate: 300-115200bps; Data bits: 5-8; Parity: None/Even/Odd
Power Input DC 9-36V, 2-pin terminal block
Operating Temperature -40°C to +85°C
Certifications FCC, CE, RoHS
Data Transmission Virtual COM, Socket transparent transmission
IoT Cloud Support MQTT, AWS, Azure, Alibaba Cloud
Configuration Web UI, AT commands, Configuration tool
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share relevant information upon request. Please specify product details for accurate records.
question:Why is there a handling fee?
answer:Handling fees cover transaction processing and administrative costs to ensure secure and efficient service.
question:What is the warranty policy?
answer:Warranty covers defects in materials or workmanship for a specified period. Terms vary per product. Request details.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share relevant information upon request. Please specify product details for accurate records.
question:Why is there a handling fee?
answer:Handling fees cover transaction processing and administrative costs to ensure secure and efficient service.
question:What is the warranty policy?
answer:Warranty covers defects in materials or workmanship for a specified period. Terms vary per product. Request details.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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