2. 2
Product Overview
StarRouter520 LTE ROUTER(SR520 for short) series products, is a 4G network,
virtual private network and other technologies in one of the Internet of Things wireless
router products. The device relies on 4G wireless wide area network and Wi-Fi wireless
local area network and other technologies to provide uninterrupted access to a variety
of networks, with its comprehensive security and wireless service features, to provide
users with high-speed and stable data transmission channels.
Product Features
WLAN support (Optional)
Supports two Ethernet ports
Support guide rail and desktop installation
Supports dual carrier network backup (dual SIM cards) and is compatible with ESIM
cards
Supports wired and wireless mutual backup
Supports efficient deployment of large-scale device networks
Fully industrial design, not afraid of the challenge of harsh conditions
Support 4G LTE CAT4 high-speed network, optional power 1.8GHz private network
Supports the Linux OpenWrt system, which facilitates secondary development and
provides a complete secondary development guide
Supports multiple VPN functions. PPTP, L2TP, IPSEC, OPENVPN, GRE, GRETAP, Vxlan,
etc
Support SNMP and KEY-IOT Device Manager "Cloud Device Management" platform,
to achieve efficient remote centralized network management
3. 3
Topological Diagram
Technical Parameters
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
4. 4
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 2 (drawer type card holder, support 1.8V/3V SIM/UIM card), compatible
with ESIM
Reset 1 (reset button)
Antenna Interface
1 (3G/4G antenna, impedance 50 OHM, SMA cathode port)
1 (2.4G antenna, impedance 50 OHM, SMA internal port interface, can be
reused as 4G antenna)
DC Power 1 (DC power base 2.1mm inner core)
Power Terminal 1 (2-pin 3.81mm pitch connecting seat)
Console 1 (5-pin 3.5mm pitch connector, 1 channel RS232/1 channel RS485)
Indicators
10 Power indicators and status indicators (Power, System, LAN1, LAN2,
SIM, Online, WIFI, Signal)
Power Characteristics
Power External Power Adapter (12V 1A)
Operating Voltage Wide power input DC 5~36V (extensible 5-60V)
Standby Power Consumption 100~150mA@12V DC
Operating Power Consumption 150~220mA@12V DC
Working 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 (not including antenna
mounting parts)
Installation Methods Table flat, rail mounted, 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 inverter 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 port
built-in 15KV ESD protection
Protection Level IP30
Certification CE Certification,Complies with CCC, Rohs
MTBF ≥100,000 hours
Software Features
5. 5
Network Access Supports APN VPDN
Access Authentication Supports CHAP/PAP authentication
Network Mode GSM/GPRS/EDGE,LIMTS/HSPA+/EVDO/TD-SCDMA/TD-LTE/FDD LTE
LAN Protocol Supports ARP and Ethernet
WAN Protocol Supports static IP,DHCP,PPPoE, and PPP
IP Application Support Ping、Trace、DHCP Server、DHCP Relay、DHCP Client、DNS
relay、DDNS、Telnet
IP Routing Supports static routing, dynamic routing protocols (OSPF, RIP), and policy-
based routing
NAT Functionality 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/GRE TAP /OPEN VPN/VXLAN/CA certificate
Reliability
Backup Functionality Support link backup(failover)
Online Link Detection Send heartbeat packet detection, disconnection automatic connection
Built-in Watchdog Device self-checking technology, device fault self-repair
WLAN(Optional)
Protocol Standard IEEE 802.11b/g/n
Rate Supports 150Mbps
Safety Features Open system, shared key, WPA/WPA2 authentication, WEP/TKIP/AES
encryption
Working Modes AP and Client(WiFi STA)
Transmission Distance 100m(The actual transmission distance depends on the environment)
Intelligent Features
Integrated DTU Functionality
Support TCP, UDP transparent transmission mode, TCP Server mode,
support Modbus RTU to Modbus TCP bridge, support DCUDP, DCTCP
mode
Network Management
QoS Management Supports bandwidth limiting and IP limiting
Configuration Mode Supports Telnet, WEB, SSH, and Console configurations
Upgrade Mode Supports WEB upgrade and FOTA upgrade
Logging Functionality Supports local system logs, remote logs, and serial port output logs
Network Management Functionality Support KEY-IOT Device Manager "Cloud Device Management" platform,
batch management
Simple Network Management
Protocol(Optional)
Supports SNMP v1, v2, and v3, and SNMP TRAP
Traffic Management Supports traffic threshold setting, traffic statistics, and traffic alarm
functionality
6. 6
Maintenance Tools Ping,Route tracing
Status Inquiry System status, modem status, network connection status, route status
Product Interfaces