Embedded 5G Wireless Modem GSM Ethernet for Vehicle and Industrial Automation
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Product Highlights
- Full-Band Cellular Compatibility - Supports 2G/3G/4G LTE (t), 5G SA/NSA (f), and lightweight 5G RedCap (frc) versions, compatible with global mainstream FDD/TDD frequency bands.
- Flexible SIM & Failover Management - Single/dual SIM slots support 1.8V/3V UIM cards (eSIM optional on select models), with multi-SIM switching by timer, signal strength, dial failure, data usage, etc
- Rugged Industrial Design - IP30 metal housing (IP68 available on outdoor models) rated for vibration, shock, and dust resistance, with built-in reverse-polarity, transient voltage, and overcurrent.
- Serial & DI/DO Connectivity - Configurable RS232/RS485 serial ports (-S2/-S4), up to 4-channel DI/DO support enable direct integration with industrial sensors. (Optional on select models)
- Wide Operating Range - Operating temperature from -35 to 75 and storage from -40 to 85 Celcius, with up to 95% humidity tolerance (non-condensing), reliable performance in harsh field environments.
- Centralized Remote Management - Manageable via E-Lins cloud NMS platform, TR-069, SNMP v1/v2c/v3, and open API, with local and OTA remote firmware upgrades plus SMS-based remote control and alerts.
- Comprehensive Security Suite - Built-in IPSec, GRE, PPTP, L2TP/L2TP over IPSec VPNs (OpenVPN/DMVPN/WireGuard/ZeroTier optional), stateful firewall, zone-based access control, and 802.1X/RADIUS/TACACS+
- Broad Industrial Protocol & Application Support - Native Modbus industrial protocol support enables deployment across 20+ M2M/IoT verticals, including vehicle dispatch, security surveillance, etc.
- Multi-WAN Backup & Load Balancing - Combines SIM cellular, wired RJ45, and WiFi client links as mutual backups, with static IP/DHCP/PPPoE dial-up and IP passthrough support, load balancing
- Extended Warranty & Custom Development - Backed by a 1-year standard warranty with paid extensions up to 5 years, plus OEM/ODM customization services available across the full product line.
Product Attributes
- Customization
- Available
- Type
- Wireless
- Network Site
- Border Router
- Model NO.
- H685f-W-G
- Transfer Rate
- 10/100/1000Mbps
- Firewall
- Firewall
- Ports
- ≤4
- Port Structure
- Modular
- Application
- Enterprise, Industrial
- Network
- 5G NR SA & NSA
- Performance
- Line-Rate Router
- Architecture
- Single Bus Master-slave CPU
- Class
- Industrial 5G Router
- RJ45
- 1 x GE WAN, 1 x GE LAN
- SIM Card Slot
- 1
- Serial (Optional)
- RS232 or RS485
- GNSS
- Galileo, GPS, Beidou, Glonass
- WiFi
- 2.4/5 GHz, up to Wi-Fi6/Wi-Fi7
- PoE (Optional)
- PoE PD
- Din Rail
- Optional
- Power
- 5-40V (Option 5-60V)
- Antenna
- External Replaceable
- Case
- Alloy Metal
- DI / DO
- 4 x DI / DO
- Management
- E-Lins NMS, Web, SMS, SSH, Telnet, Command, SNMP
- VPN
- IPSec, Openvpn, Zerotier, PPTP, L2TP, Wireguad
- Certificates
- CE, RoHS, UKCA, FCC, UL, TUV, RU, Anatel, etc.
- Transport Package
- Box
- Specification
- 5G Cellular
- Trademark
- E-Lins, OEM, ODM, Neutral
- Origin
- Shenzhen, China
- HS Code
- 8517629900
- Production Capacity
- 50, 000PCS/Month
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Product Description
Series No. | H685 |
P/N | H685f-W-G |
Class | Industrial for M2M, IoT, and in-vehicle use |
Cellular | 5G NR, SA, NSA, fall back to 4G, 3G |
WAN | 1 * GE (Can be configured as LAN) |
LAN | 1 * GE |
Digital Input / Output | 4 * DI / DO |
GNSS | GPS, Galileo, GLONASS, Beidou |
Serial | NC. (If need, please choose other models) |
WiFi | 802.11n: 300Mbps 2.4GHz/5GHz, Access Point (AP), Station (STA), Client. |
VPN | OpenVPN, IPsec, GRE, PPTP, L2TP, DMVPN, ZeroTier, WireGuard, others. |
Network Backup | Cellular WAN, Wi-Fi WAN, VRRP, Wired options, each can be used as an automatic Failover |
Load Balancing | Balance Internet traffic over multiple WAN connections |
Monitoring & Management | WEB UI, FOTA, SSH, TR-069, MQTT, SNMP, JSON-RPC, E-Lins Network Management System (NMS) |
Antennas | External style, replaceable for high gain |
Installation | Desktop, Wall-mount, Din-Rail |
Wide Power-in | DC5-40V, DC5-60V optional |
E-SIM | Optional |
Trademark | E-Lins, Neutral, OEM, ODM and other customization |

E-Lins IoT / M2M products are widely used in industrial fields, such as CCTV, finance, ATM, kiosk, vending machine, power control, water schedule, traffic, oil field, weather forecast, environmental protection, street lamp control, post, bank and many other areas.



This professional router combines the best of wired and wireless routing functionalities with Fast Ethernet and advanced remote management capabilities, along with numerous supported security and networking protocols, making H685 an ideal choice for professional applications.



ETHERNET | |
WAN | 1 x WAN port 10/100/1000 Mbps, can be set as LAN Ethernet |
LAN | 1 x LAN port, 10/100/1000 Mbps |
WIRELESS | |
Wireless mode | Optional. 802.11b/g/n/ac/ax (Wi-Fi 4/5/6), Access Point (AP), Station (STA), Client. |
Wi-Fi security | WPA2-Enterprise: PEAP, WPA2-PSK, WPA-EAP, WPA-PSK, WPA3-SAE, WPA3-EAP, OWE; AES-CCMP, TKIP, Auto-cipher modes, client separation, EAP-TLS with PKCS#12 certificates, disable auto-reconnect, 802.11w Protected Management Frames (PMF) |
Wi-Fi users | Up to 64 simultaneous connections |
Wireless MAC filter | Allowlist, blocklist |
SECURITY | |
Main | Authentication, SSL, RADIUS and TACACS+; 802.1x authentication for Ethernet, VLAN |
Attack prevention | DDOS prevention, port scan prevention |
WEB filter | Blacklist for blocking out unwanted websites, Whitelist for specifying allowed sites only |
Access control | Flexible access control of SSH, Web interface, CLI, and Telnet |
Firewall | Preconfigured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI, DMZ, NAT, NAT-T, NAT64 |
Monitoring & Management | |
WEB UI | HTTP/HTTPS, status, configuration, FW update, CLI, troubleshoot, multiple event log servers, firmware update availability notifications, event log, system log, kernel log, Internet status |
NMS | E-Lins Enterprise Batch Network Management System (NMS) |
Others | API, CLI/SSH/Telnet Data Usage Alerts (router and per client) Advanced Troubleshooting (support) Device Alerts SNMP SMS control TR-069 FOTA MQTT |
NETWORK | |
Routing | Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP), Policy based routing |
Network protocols | TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL), VXLAN |
Firewall | Port forward, traffic rules, custom rules, TTL target customisation |
Firewall status page | View all your Firewall statistics, rules, and rule counters |
Hotspot | Captive portal (hotspot), internal/external Radius server, Radius MAC authentication, SMS authorisation |
DHCP | Static and dynamic IP allocation, DHCP relay, DHCP server configuration, status, static leases: MAC with wildcards |
Network backup | Wi-Fi WAN, VRRP, Wired options, each of which can be used as an automatic Failover |
Others | Traffic management, load balancing, DNS over HTTPS, QoS, MQTT, DNP3 |
MODBUS | |
Supported modes | Server, Client |
Supported connection types | TCP, USB |
Firmware / Configuration | |
WEB UI | Update FW from file, check FW on server, configuration profiles, configuration backup |
OTA WAN | Update FW remotely |
NMS | Update FW/configuration for multiple devices at once |
Keep settings | Update FW without losing current configuration |
Factory settings reset | A full factory reset restores all system settings, including the IP address, PIN, and user data to the default manufacturer's configuration |
INPUT / OUTPUT | |
DI / DO | 4 x Digital Input or Output. 0-3.3V |
Events | Status monitor via SMS and Email |
E-Lins switch control board | 5-40VDC supported |
POWER | |
Connector | Terminal DC Adapter |
Input voltage range | 5 - 40 V DC; Option 5 -60V DC. |
PoE (PD) option | Possibility to power up through LAN port, compatible with IEEE802.3af, 802.3at and 802.3bt standards |
PHYSICAL INTERFACES | |
Ethernet | 2 x RJ45 ports, 10/100/1000 Mbps |
DI / DO | 4 x Digital Input or Output on 10-pin terminal connector |
Status LEDs | 1 x LAN 1 x WAN 1 x WIFI 1 x CELL 1 x SIGNAL 1 x VPN 1 x SYS |
Power | 1 x DC power connector 1 x Terminal connector |
Antennas | 2 ~ 6 CELL 2 x WIFI (for models with WiFi feature) 1 x GPS (for models with GPS feature) 1 x Serial Cable (for models with Serial feature) Replaceable connectors |
Reset | Reboot/User default reset/Factory reset button |
PHYSICAL SPECIFICATION | |
Casing material | Aluminium housing |
Dimensions (W x H x D) | PCBA: 96mm x 14mm x 56mm With case: 100mm x 21mm x 60mm |
Weight | 220g |
Mounting options | DIN rail, wall mount, flat surface (all require additional kit) |
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI152219". Items marked "" are certified.
Company Profile
E-Lins Main Business
Belonged to E-Lins group, E-Lins Technology is the leading developer and manufacturer of wireless M2M and telecom devices such as cellular 3G 4G 5G modem / router / repeater, and computer hardware peripherals in Shenzhen, China.
E-Lins Main Products
E-Lins Technology is a professional wireless product Manufacturer & Wholesaler. Main products are wireless cellular mobile modems, routers, repeaters and industrial PCS.
Routers
5G Router (5G NR SA NSA)
4G Router (FDD LTE and TDD LTE);
3G Router (DC-HSPA+, HSPA+, HSDPA, HSUPA);
2G Router (GSM, GPRS, EDGE);
CDMA Router (CDMA1X, CDMA2000 EVDO);
Modems
5G Modem (5G NR SA NSA)
4G Modem (FDD LTE and TDD LTE);
3G Modem (DC-HSPA+, HSPA+, HSDPA, HSUPA);
2G Modem (GSM, GPRS, EDGE);
CDMA Modem (CDMA1X, CDMA2000 EVDO);
Repeaters
3G, 4G, 5G
Industrial PCS
Rugged Embedded, Rackmount, Portable, Panel PCS
Outdoor AP
Point to point, multi-point centre
Pursuing a highly effective operation system to give customers more satisfaction, we also endeavor to improve our quality and service management. We passed ISO9001/14000 certification and CCC Certification (China Compulsory Certification). We are building an equal development platform to let our employees enjoy working and then share their pleasure with our customers.
Achieving high quality, E-Lins's products are manufactured in-house. In order to meet the requirements of our customers, E-Lins produces quality products that reach the international standards. We have professional QA department to ensure product quality.
With a strong development & research team, E-Lins has been providing OEM and ODM services for over 10 years. The distribution partnership will also be welcome.
Our clients include some of the major global distributors and importers throughout Asia, South and Latin America, Europe, Africa, the Middle East and North America, totally more than 53 countries and regions.
About Our Factory & Business Background
- Address
- Rm. 33, Unit B, Floor12, U Chuanggu, Xinniu Rd, Minzhi, Longhua, 518000, Shenzhen, Guangdong, China
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- 5g Router, 4G Router, LTE Router, 5g Modem, 4G Modem, Swtich, Gateay, Controller, GSM Cellular Devices
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What network bands/carriers does the router support?
- We will select frequency bands based on the countries and carriers where the products are actually used. Also, you can let us know if you have any special requirements.
- Does the router support automatic APN configuration?
- Yes, the router automatically detects and configures the correct APN based on the inserted SIM card, eliminating manual setup for most carriers.
- Can I use my own private/custom SIM card?
- Yes, we offer custom firmware support for private SIM cards with specific APN or carrier requirements.
- What Private Network Tunneling protocols are supported?
- The router supports IPsec, OpenVPN, GRE, and other mainstream Private Network Tunneling protocols for secure remote connectivity.
- Does the E-Lins routers have a firewall?
- Yes, built-in firewall functionality protects against unauthorized access and network threats.
- What is the operating temperature range?
- The router is designed for industrial environments with a wide operating temperature range -35 to 75 Celcius
- Can the router be remotely monitored and managed?
- Yes, it's compatible with the E-Lins Cloud NMS platform for remote monitoring, configuration, and firmware updates.
- What serial interfaces does the router provide?
- It includes RS232/RS485 serial ports for connecting industrial equipment and enabling M2M communication.
- How is the router powered?
- Three power options: DC adapter, PoE, and Terminal DC.
- Can the router be mounted in a cabinet or on a wall?
- Yes, it features a compact, DIN-rail mountable design for flexible industrial installation.
- What certifications does the E-Lins routers have?
- CE, RoHs, FCC, UKCA etc.
- Does the router support failover between 4G and other network types (e.g., Ethernet WAN)?
- Yes, it supports multi-WAN failover: Wired WAN, Wi-Fi WAN, Cellular WAN.
- What's the warranty period?
- 1 year by default, can be extended up to 5 years.
- Do the routers support the PoE power supply? Can they power IP cameras and other terminal devices directly?
- All our routers come with PoE support, but there are two types: Passive PoE input and Active PoE input or output. If you want to power IP cameras using an E-Lins router, make sure to select models with Active PoE output.
- What industrial protocols do the routers support? Can they connect with PLCs, IP cameras, and industrial control devices?
- Our industrial routers support mainstream industrial communication protocols, including TCP/IP, MODBUS, MQTT, H-T-T-P, and H-T-T-P-S, as well as RS485 and RS232 serial port transparent transmission. They can perfectly connect with PLCs, industrial IP cameras, sensors, access control devices, industrial computers, charging piles, and other IoT terminals, meeting the requirements of industrial data collection, remote transmission, and remote equipment management.
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