H685d HSDPA Industrial RouterNewly published 3G router Industrial Router H685md is updated from H685v series, with smaller size and better performance,can be easily put in machines, of industrial application. Working under 3G HSDPA network and back compatible to EDGE/GPRS/GSM network. Durable, flexible, and user-friendly feature is widely used for different kinds of high data transmission applications.


H685md is with one RJ45 lan port + DB9 port + USB port + WiFi optional. DB9 support RS232/RS485/TTL interface.


WIth USB port, the H685md router can be directly used as USB modem for dialup and at command.

The H685md 3g cellular router is easy to install reducing the reliance on the end customer and enables direct access to your remote LAN devices for control and monitoring purposes.

It enables companies to remotely access equipment at mobile, remote networks and isolated sites.

The Industrial Router offers wireless network routing optimised for machines, small networks and specialised Fixed IP services now available from wireless operators. It offers low cost router operation through Dial-out, Dial-in and Always Connected modes of operation.


E-Lins’ 3g industrial routers are widely used in more than 50 countries and regions, and more than twenty industrial fields, such as power control, water schedule, traffic, oil field, weather forecast, environmental protection, street lamp control, post, bank and many other areas.

3G Wireless Router for Industrial Application


  • 1) Remote Data Monitor and Control;

  • 2) CCTV, security surveillance;
  • 3) Water, gas and oil flow metering and schedule;
  • 4) AMR (automatic meter reading);
  • 5) Power station monitoring and control;
  • 6) Remote POS (point of sale) terminals, ATM,
  • 7) Traffic signals monitor and control, Traffic info guidance;
  • 8) Oil field, weather forecast, environmental protection, street lamp monitoring and control
  • 9) Early Warning of Mountain Torrent;
  • 10) Fleet management;
  • 11) Power distribution network supervision;
  • 12) Central heating system supervision;
  • 13) Weather station data transmission;
  • 14) Hydrologic data acquisition;
  • 15) Vending machine;
  • 16) Telemetry, SCADA;
  • 17) Vehicle logistics and diagnostics controlling;
  • 18) Parking meter and Taxi Monitor;

19) Telecom equipment supervision (Mobile base station, microwave or optical relay station)


>>| Hot Spot for H685m series router
Broadband M2M communications
SIM failover/standby APN
3G failover for fixed line broadband connections
Rapid service deployment applications
WiFi optional
DB9 port for RS232/RS485/TTL to Cellular Gateway
USB port for usb modem use
External antenna SMA socket
VPN (PPTP, IPSec supported)
Support At command
Support multi-LAN IP address (VLAN feature)


>>| Typical Topology

H685m series typical topology


How to get H685md HSDPA 3G Router to work?

1. Get a 3g sim card with data business, enough balance available;

2. 3G signal is good enough because good signal is required for dialup and good internet speed and bandwidth;

3. One PC or Laptop with RJ45 port to config the H685m. If H685m is with wifi option feature, you can also config it via WiFi.


Notes: H685md is HSDPA version which is working under HSDPA/EDGE/GPRS/GSM networks.


H685m series Cellular router versions:

H685mg -- GPRS version

H685me -- EDGE version

H685md -- HSDPA version

H685mu -- HSUPA version

H685mc -- CDMA1x version

H685mev -CDMA2000 EVDO version

Please confirm what you need before order.


Download - H685md Router

H685md HSDPA Industrial Router



H685m series is with one RJ45 ethernet port.

For more industrial HSDPA router with multi ethernet ports, click

H800 Series HSDPA Router

H700 Series HSDPA Router



For non-industrial Cellular Mobile Router, please refer to

non-industrial classed cellular router


Catalog - Router Modem AP


Industrial Class Series


SOHO Class Series

Appearance - H685m Industrial Router
Industrial GSM GPRS EDGE HSDPA Cellular Router with RJ45 port

GSM/GPRS/EDGE: 850/900/1800/1900Mhz
UMTS/WCDMA/HSDPA: 850/1900/2100Mhz or 850/900/1900/2100Mhz

Data Speed:
HSDPA: 7.2Mbps downlink, 384kbps uplink

Connect to Internet, data transmission, network always online, auto redail up
1 LAN port + USB Port, DB9 port optiopnal(RS232/RS485/TTL), WiFi optional;
Support RS232/RS485/TTL to Cellular Data converter (optional feature);
Support User-friendly Web GUI;
Firmware Upgradeable;
Traffic & Event Log;
Firewall - NAT, ALG modules, DMZ, DDNS
VPN and Tunneling (PPTP,IPsec) optional 
Network Services include DHCP, Time, DNS
Remote Management with SNMP
Zero-configuration UPnP support
Web based SMS client
R&TTE and GCF certified
Support RS232/RS485/TTL Port
GPS Feature
GPS supported optional
Supply voltage range 5 - 27VDC(9V,12v suggest)
Low power waste
Support Firmware update for better quality
Dimension: 93mm x 70mm x 23mm(without antenna)
320g (not including the antenna)
Steel shell: good electromagnetic shield and , heat radiate performance
Electromagnetic Compatible
Electrostatic Discharge (ESD): 3 class
Radiated, radio-frequency, electromagnetic field immunity test: 3 class
Storage Temperature: -40 ~ 85°C
Working Temperature: -30 ~ 75°C
Humidity: 95% (non-condensing)
Product Network Band Power Interface VPN Wi-Fi
H685mg GPRS/GSM 850/900/1800/1900Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional  
H685me EDGE/GPRS/GSM 850/900/1800/1900Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional  
H685md HSDPA/EDGE/GPRS/GSM 850/900/1800/1900/2100Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional  
H685mu HSUPA/HSDPA/EDGE/GPRS/GSM 850/900/1800/1900/2100Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional  
H685mc CDMA1x 800/1900, or 450Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional  
H685mev EVDO/CDMA1x 800/1900, or 450Mhz DC 7V~27V LAN X 1, RS232/RS485/TTL/USB Optional Optional