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Home Product USR-K2/K3 4G LTE Dual SIM IoT Gateway for M2M Communication & Remote Monitoring
M4/M0 core industrial-grade super network port

USR-K2/K3 4G LTE Dual SIM IoT Gateway for M2M Communication & Remote Monitoring

USR-K2 4G Router
USR-K3 Dual SIM
USR-K3 VPN Router
USR-K2/K3
USR-K2 4G Router ensures reliable cellular internet; USR-K3 Dual SIM supports dual-SIM redundancy and data backup, while USR-K3 VPN Router enables secure encrypted tunneling for remote access and IoT connectivity.
Categories:Automation
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Product Description

The USR-K2 4G Router is a robust industrial-grade device designed for reliable 4G LTE connectivity, featuring 2 digital inputs and 1 relay output for direct sensor or equipment integration. It supports RS232/RS485 serial communication and Ethernet interfaces, enabling seamless connectivity with up to 10 modular devices in harsh environments. Operating on a wide DC 9-36V voltage range and within -20°C to 70°C, it excels in industrial automation, smart grid, and remote monitoring applications. The USR-K3 Dual SIM variant adds redundancy with dual SIM slots for uninterrupted cellular connectivity, ideal for mission-critical systems. Both models lack an internal battery or integrated screen, relying on external power. The USR-K3 VPN Router enhances security with embedded VPN protocols (IPSec/OpenVPN), ensuring encrypted data transmission. While offering rugged construction and broad compatibility, these routers may require technical expertise for advanced configuration. Detection range varies based on external sensors. Their primary limitations include no built-in battery and dependency on external peripherals for display functionality.
Parameter Specification
Model NameUSR-K2 4G Router / USR-K3 VPN Router
ProcessorQuad-core 1.5GHz
RAM512MB DDR3
Flash Memory8GB eMMC
Ethernet Ports2×10/100Mbps (USR-K2), 4×Gigabit (USR-K3)
SIM Slots1×Nano-SIM (USR-K2), 2×Nano-SIM (USR-K3 Dual SIM)
4G LTE BandsB1/B3/B5/B7/B8/B20
VPN ProtocolsOpenVPN, IPSec, PPTP, L2TP (USR-K3)
Wireless802.11b/g/n 2.4GHz
Antenna Interfaces2×SMA-4G, 2×SMA-WiFi
Serial InterfaceRS232/RS485 (USR-K3)
USB PortUSB 2.0 Host
Power Input9-36V DC
FirewallSPI/NAT/VLAN
SecurityWPA3, 256-bit Hardware Encryption (USR-K3)
Operating Temp-30°C to 75°C
ManagementWeb/CLI/SNMPv3
FailoverWAN/LTE Auto-switch (USR-K3 Dual SIM)
CertificationsCE/FCC/RoHS
Dimensions120×88×28mm
question:What is the warranty?
answer:The warranty covers manufacturing defects and lasts for one year from the delivery date. Specific terms are outlined in the contract.
question:Can the company ensure stable supply?
answer:Yes, we maintain robust supply chains and sufficient production capacity to consistently meet client demands and delivery schedules.
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can provide shipment photos and purchase date details upon request. Additional documentation is available if needed.
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:What is the warranty?
answer:The warranty covers manufacturing defects and lasts for one year from the delivery date. Specific terms are outlined in the contract.
question:Can the company ensure stable supply?
answer:Yes, we maintain robust supply chains and sufficient production capacity to consistently meet client demands and delivery schedules.
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can provide shipment photos and purchase date details upon request. Additional documentation is available if needed.
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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