<Programmable Linux Ethernet 4G WiFi Router Modem SDK MQTT Modbus RTU
Description：HJ8500 industrial grade 3G 4G router adopts embedded Linux OS, industrial grade low power consumption processor and industrial grade communication modules. It supports 1 WAN port, 2 LAN ports, 1 WiFi, 4G and 1 serial port(RS232 or RS485) and 1 USB port. HJ8500 is a high performance-price ratio 3G 4G industrial router. Industrial grade design ensures performance stability of the device. It supports 7x24 hours continuous working, supports VPN, NAT and unique SmartLINK technology. You can easily manage devices in different places in LAN by remote controlling. HJ8500 can be installed with SDK compiling environment which supports secondary development on the device with C, C++, PHP, Python, Java. You can directly do compiling in the device by SSH connecting to the device.
Typical Applications
Security and protection monitoring
Traffic monitoring
Financial ATM/ Query terminal application
Machine room monitoring
The public security monitoring
Road monitoring
Oil field monitoring
Remote meter reading
Street Lamp Wireless monitoring
Environment monitoring
Weather monitoring
Hydro-logical monitoring
Heating Network monitoring
Electric meter monitoring
Coal monitoring
Earthquake monitoring
Vehicle guidance
Water supply monitoring
Highway performance monitoring
Noise real-time monitoring
Environmental protection key pollution sources monitoring
Water supply pipe network monitor real-time transmission
Power distribution network automation remote control system
Industrial automation
Realize wireless data transmission of various PLC and RTU with Ethernet
Functions and Features
Support VPN secure tunnel function including PPTP/L2TP
Unique SmartLINK technology to set up remote LAN
Support 4G/Ethernet/ WiFi automatic failover and failback, no need disconnect the network
Support SSL data encryption
Support transparent transmission
Support port mapping
All metal case with high level protection
Hardware watchdog design to ensure stable performance
Ethernet ports have built-in 1.5KV electromagnetic isolation protection
Support timer switch
Support online detection, online maintaining, automatic redial to ensure device always online
Support various 3G and 4G LTE frequency bands
Support IPTABLES firewall, filtrated-packets function
Support various protocols: TCP/IP，UDP，Modbus, ICMP，SMTP，HTTP，POP3，OICQ，TELNET，FTP, etc
Support Dynamic IP and static IP
Support DHCPD/DHCP
Support NAT function such as SNAT，DNAT
Support DMZ mainframe
Support routing forward, serial port data transmission, data center management
Support APN/VPDN network
Friendly WEB configuration, support WEB remote management
Support telnet management, easy use console shell interactive environment
Support multiple terminals sharing router ppp WAN port
IP Support multiple wireless dial modes: automatic allocation, specific IP, specific local end IP
Support working as PPP server, multiple authentication method and bidirectional authentication
Support real-time clock sntp, updating time online
Support DTU function
Easy COM and SYSLOG system diagnosis and debugging function
Support log viewing
Support serial port software local upgrading, support TFTP software remote upgrading, support configurations output and input, support WEB online updating firmware
Hardware Parameters
| Model | HJ8500 | |
| System | OS | Embedded LINUX |
| CPU | MIPS 580MHz | |
| RAM | 128MBytes DDR2 | |
| Flash | 32MBytes | |
| Interface | WAN | 1*10/100M Ethernet |
| LAN | 2*10/100M Ethernet | |
| USB port | 1 | |
| Serial port | 1*RS232 or 1*RS485 | |
| Power supply | DC 9-27V | |
| SIM card | 1*SIM card slot | |
| Antenna | 2*SMA(female) 4G 1*SMA(male) Wi-Fi | |
| Physical property | Dimension（mm） | 120*105*28.5 |
| Installation | wall-hung type, location hole, DIN rail | |
| Outer shell | Metal | |
| Protection Class | IP30 | |
| heat dissipation | No need fan | |
| Power consumption | Standby mode | |
| Working | 5-6W | |
| Peek value | ||
| Environment temperature | Humidity | 5-95% without condensation |
| Storage | -40-85°C | |
| Working | -20-70°C | |
| LED indicator | Red | Power |
| Green | System running | |
| Blue | 4G and WiFi connection status | |
Software Parameters
| Network | Network access | APN VPDN |
| Authentication method | CHAP/PAP | |
| 3G/4G | Various frequency bands and customizable | |
| LAN | ARP | |
| WAN | PPPOE,static IP，DHCP server | |
| IP | PING,Trace，DHCP server，DHCP，DDNS,DNS Telnet | |
| IP router | Static routing | |
| Wi-Fi | Standard | IEEE 802.11b/g/n |
| Mode | AP,Client,Bridge | |
| Safety certificate | Support open system | |
| WEP/WPA/WPA2 encryption | ||
| Safety | Network safety | |
| Data safety | PPTP/L2TP IPSEC | |
| Management | ||
| Stability | Connection state detection | Automatic re-connection after disconnection |
| Self-recovery | Hardware encryption watchdog |
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