4g Industrial Router(SR500)

StarRouter500 routers feature 2 LAN ports and 1 WAN port for reliable connectivity optimized for industrial IoT applications.

4G Industrial Router Hot Product Products 170

Network SupportIndustrial-grade 4G module, supports seven-mode full network
ModelSR500
VoltageWide power input DC 5-36V (expandable to 5-60V)
Interface2 LAN ports, one of which can be reused as a WAN port, 1 RS232 port, 1 RS485 port
BrandKEY-IOT
Dimensions100*100*23mm

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Introduction

Specifications

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Dimensions

The StarRouter500 LTE Router (SR500) series provides robust cellular and WiFi connectivity optimized for industrial Internet of Things deployments in challenging environments. With an industrial-grade design, flexible network options and centralized management, these routers deliver the reliability and performance needed for business-critical IoT applications.

Resilient for Demanding Industrial Settings

Engineered to withstand demanding conditions, SR500 routers feature:

- Rugged enclosures to resist vibration, shock and extreme temperatures from -40°C to 75°C

- IP30 rating to prevent dust and moisture ingress

- DIN rail or desktop mounting for secure installation

- Redundant cellular and WiFi prevents downtime from network outages

Powerful Cellular and WiFi Connectivity

The SR500 line supports:

- 4G LTE CAT4 providing up to 150Mbps down/50Mbps up for high-bandwidth applications

- Optional 1.8GHz private LTE with 1000m range for campus and industrial park coverage

- 802.11b/g/n WiFi with internal or external antennas for local wireless access

This enables combining long-range cellular and short-range WiFi in one router.

Advanced Networking Features

SR500 routers provide:

- 2 x 10/100Mbps Ethernet ports for wired connectivity

- Extensive VPN protocols like IPsec, OpenVPN, GRE for secure remote communications

- SD-WAN capabilities to optimize performance across multiple links

- TR-069 and SNMP management for auto-configuration and monitoring

Tailored for Industrial IoT Projects

Typical applications include:

- Connecting PLCs, RTUs, sensors, meters and other assets to cloud platforms

- Enabling public WiFi and smart city services like traffic control and surveillance

- First responder networks with cellular and failover WiFi

- Deploying SD-WAN to combine multiple network links

- Adding cellular connectivity to sites without wired internet access

Customizable Linux Platform

The SR500 runs OpenWrt Linux allowing full customization. Development guides help tailor routers to specific use cases.

Centralized Management for Scalability

Star Device Manager (Star Cloud) enables managing entire networks of routers for simplified provisioning and monitoring. With industrial-grade reliability, the SR500 series provides connectivity assurance for critical industrial IoT.

Hardware Performance
Memory	64MB
Flash	16MB (expandable to 32MB)
WIFI (optional)	2.4G supports 802.11b/g/n, maximum rate 150Mbps
Network Support	Industrial-grade 4G module, supports seven-mode full network
System Time	NTP technology for time synchronization, with built-in RTC
Interfaces
WAN port	LAN1 can be configured as 1 WAN port
LAN port	2 (10M/100M adaptive MDI/MDIX ports)
SIM card interface	1 (drawer type card slot, supports 1.8V/3V SIM/UIM cards)
Reset	1 (reset button).
Antenna interface	1 (3G/4G antenna, impedance 50 ohms, SMA female inner hole interface)
	1 (2.4G antenna, impedance 50 ohms, SMA inner hole interface).
DC power	1 (DC power socket 2.1mm inner core)
Power terminal	1 (2-pin 3.81mm spacing connector)
Console	1 (5-pin 3.5mm spacing connector, 1 RS232/1 RS485)
Indicators	8 power indicators and status indicators (Power, System, LAN1, LAN2, SIM, Online, WIFI, 3G/4G)
Power Characteristics
Power	External power adapter (12V 1A)
Operating voltage	Wide power input DC 5-36V (expandable to 5-60V)
Standby power consumption	150~230mA@12V DC
Operating power consumption	250~310mA@12V DC
Operating Conditions
Operating temperature	-35~+75℃ (-31~+167℉)
Storage temperature	-40~+85℃ (-40~+185℉)
Operating humidity	5%~95% (non-condensing)
Device ventilation	Natural heat dissipation, no noise
Physical Characteristics
Enclosure	All-metal enclosure
Dimensions	Length * width * height 100 * 100 * 23mm (excluding antenna and installation components)
Installation methods	Desktop, DIN rail, wall-mounted
Weight	Net weight: 0.30KG (excluding antenna and installation components)
	Gross weight: 0.60KG (with accessories and packaging box)
Device Safety and Reliability
Safety and reliability	Power reverse protection, overvoltage protection, overcurrent protection; Ethernet interface built-in 1.5KV electromagnetic isolation protection; RS232/RS485 interface built-in 15KV ESD protection; SIM/UIM card interface built-in 15KV ESD protection
Protection level	IP30
Certification	Compliant with CCC, RoHS
MTBF	≥ 100,000 hours
Software Features
Network access	Supports APN VPDN
Access authentication	Supports CHAP/PAP authentication
Network modes	GSM/GPRS/EDGE, LIMTS/HSPA+/EVDO, TD-SCDMA/TD-LTE/FDD LTE
LAN protocol	Supports ARP, Ethernet
WAN protocol	Supports static IP, DHCP, PPPoE, PPP
IP applications	Supports Ping, Trace, DHCP Server, DHCP Relay, DHCP Client, DNS relay, DDNS, Telnet
IP routing	Supports routing
NAT function	Supports network address translation
Network Security
Firewall	Full-state packet inspection (SPI), prevent denial of service (DoS) attacks, filter multicast Ping packets, access control lists, URL filtering, port mapping, virtual IP mapping, IP-MAC binding
Data Security	IPsec VPN/L2TP/PPTP/GRE /OPEN VPN/CA certificate
Reliability
Backup function	Supports link backup
Online link detection	Sends heartbeat packets for detection and automatically reconnects when disconnected
Built-in watchdog	Device self-checking technology, device fault self-repair
WLAN (optional)
Protocol Standard	IEEE 802.11b/g/n
Rate	Supports 150Mbps
Security features	Open system, shared key, WPA/WPA2 authentication, WEP/TKIP/AES encryption
Working modes	AP, Client operating modes
Transmission distance	100m (actual transmission distance depends on the environment)
Intelligent Features
Integrated DTU function	Supports TCP, UDP transparent transmission mode, TCP Server mode, supports Modbus RTU to Modbus TCP bridge, supports DCUDP, DCTCP mode
Network Management
QoS management	Supports bandwidth limitation, IP throttling
Configuration methods	Supports telnet, web, SSH, and console configuration methods
Upgrade methods	Supports web upgrade, FOTA upgrade method
Logging functionality	Supports local system logs, remote logs, serial port output logs.
Network management functionality	Supports batch management on the Star Device Manager (Star Cloud) platform
Simple network management functionality	Supports SNMP v1/v2/v3, supports SNMP TRAP function
Traffic management	Supports traffic threshold setting, traffic statistics, and traffic alert functionality
Maintenance Tools	Ping, route tracing
Status Inquiry	System status, modem status, network connection status, route status

Technical Specification SR500 4G Router（2 LAN）

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SR500工业路由器尺寸图

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Q & A

Shipping Time and Logistics

We have a large stock of products readily available, and we can typically ship orders within 1-3 business days. For customized products, the shipping time may vary depending on the specific requirements, but it generally takes around 2-4 weeks. We collaborate with several renowned logistics companies, offering a variety of express delivery options such as SF Express, EMS, and DHL to ensure timely and secure product delivery.

Custom Development Services

In addition to our standard products, we also offer custom development services to our clients. Whether you have any special feature requirements or application scenarios, our experienced engineering team can provide customized development and optimization based on your needs. The customization process typically takes 1-3 months, and we work closely with you to ensure that the final delivered product fully meets your requirements.

Product Warranty and After-sales Service

All our products undergo rigorous testing and come with a 1-year warranty. If any quality issues arise during the warranty period, we provide free repair or replacement services. Beyond the warranty period, we also offer long-term technical support and maintenance services. Customers can contact our after-sales team via phone, email, or other channels, and we will respond promptly and provide solutions.