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Home Product USR-DR801 4G LTE Cat1 DTU with RS485 and MQTT for IoT Connectivity
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USR-DR801 4G LTE Cat1 DTU with RS485 and MQTT for IoT Connectivity

USR-DR801 4G DTU
DR801 Cellular Router
Dual SIM IoT Gateway
USR-DR801
USR-DR801 4G DTU and Cellular Router, featuring Dual SIM IoT Gateway for industrial IoT, remote monitoring, and secure cellular data transmission.
Categories:Automation
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Product Description

The USR-DR801 4G DTU, also known as the DR801 Cellular Router, is a robust Dual SIM IoT Gateway designed for industrial connectivity. It features 2 digital inputs and 2 relay outputs, supporting direct integration with sensors and control modules. Equipped with RS232/RS485 serial ports, Wi-Fi, Ethernet, and 4G LTE Cat 1 connectivity, it ensures versatile communication. Operating at 9-36V DC, it thrives in harsh environments (-20°C to 70°C), ideal for energy, automation, and smart infrastructure. Its dual SIM slots provide network redundancy, enhancing reliability. Advantages include high-speed data transmission, remote management, and industrial-grade durability, while limited local storage may require cloud dependency. The compact design (no integrated screen) suits space-constrained installations, offering seamless integration into SCADA, telemetry, and remote monitoring systems.
Product ModelUSR-DR801 4G DTU
Device CategoryDR801 Cellular Router / Dual SIM IoT Gateway
Network Support4G LTE-FDD/LTE-TDD, 3G, 2G
SIM SlotsDual SIM (Auto-switch or parallel operation)
WAN Interface1x Ethernet RJ45 (10/100Mbps)
DI/DO Interface4x Digital Input, 2x Relay Output
Protocol SupportTCP/UDP/HTTP/MQTT/Modbus
SecurityVPN (PPTP/L2TP/IPSec), Firewall, SPI
Operating Voltage9-36V DC
Operating Temp-40°C to +75°C
Ingress ProtectionIP30
Wireless CertificationsCE, FCC, RoHS
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question:Can I arrange official courier pickup myself?
answer:Yes, you can independently schedule official courier pickup for your orders.
question:Do you accept payment after shipment?
answer:No, payment must be completed before shipment as per company policy.
question:Are bulk order discounts available?
answer:Yes, bulk order discounts are provided based on quantity thresholds.
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 I arrange official courier pickup myself?
answer:Yes, you can independently schedule official courier pickup for your orders.
question:Do you accept payment after shipment?
answer:No, payment must be completed before shipment as per company policy.
question:Are bulk order discounts available?
answer:Yes, bulk order discounts are provided based on quantity thresholds.
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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