What serial communication features are included?

It includes an RS232 serial port with DTU (Serial to Cellular Gateway) functionality.

Does the device support remote firmware updates?

Yes, it supports FOTA, OTA, and remote firmware updates via NMS and Web UI.

What are the dimensions of the router with the case?

With the case, the dimensions are 180mm x 32mm x 114mm.

RS232 Router With SIM VPN Failover GPS Load Balancing DHCP

Name: RS232 Router With SIM VPN Failover GPS Load Balancing DHCP
Brand: Shenzhen E-Lins Communication Co., Limited
SKU: 2221765685

Guangdong, ChinaShenzhen E-Lins Communication Co., Limited

US$85.00-200.00

1 Set

Product profile

Customization

Available

Type

Wireless

Network Site

Border Router

Model NO.

H720tt-W-RS232

Transfer Rate

10/100Mbps

Firewall

Ports

≤4

Port Structure

Modular

Application

Enterprise, Industrial

Network

4G TDD/FDD

Performance

Line-Rate Router

Architecture

Single Bus Master-slave CPU

Class

4G Industrial Router

RJ45

1 x WAN; 4 x LAN

SIM

Dual SIM

Serial

RS232

GNSS (Optional)

Galileo, GPS, Beidou, Glonass.

WiFi

802.11 a/b/g/n, 2.4Ghz 300Mbps

PoE

Supported

DIN-Rail

Option

Power

5-40V (Option 5-60V)

Antenna

External Replaceable

Case Material

Metal

VPN

IPsec, OpenVPN, ZeroTier, PPTP, L2TP, GRE

Digital Input / Output

4 x DI / DO

Management

E-Lins NMS, Web, SMS, SSH, Telnet, Command, SNMP

Certificates

CE, RoHS, UKCA, UL, TUV, Anatel, FCC, RU, ETL, etc

Transport Package

Box

Specification

CE, Rohs, etc.

Trademark

E-Lins, OEM, ODM, Neutral

Origin

Shenzhen, China

HS Code

8517629900

Key features

Dual SIM & Network Backup: Supports dual SIM cards with automatic failover for WAN, Wi-Fi, and wired connections.

Comprehensive VPN Support: Includes OpenVPN, IPsec, WireGuard, GRE, PPTP, L2TP, and ZeroTier for secure connectivity.

Industrial Grade Durability: Aluminum housing designed for M2M, IoT, and in-vehicle applications in challenging environments.

Wide Power Input Range: Operates on DC 5-40V standard with an optional 5-60V range for flexible power sources.

Advanced Load Balancing: Balances internet traffic over multiple WAN connections including cellular, Wi-Fi, and wired options.

Rich Serial & IoT Features: Features RS232 serial port with DTU capability and supports Modbus, MQTT, and SNMP protocols.

Multiple Mounting Options: Supports DIN-rail, wall-mount, and desktop installation with replaceable external antennas.

Extensive Certifications: Certified with CE, RoHS, UKCA, UL, TUV, FCC, and Anatel for global compliance.

Company profile

Shenzhen E-Lins Communication Co., Limited

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.56h

AI-Powered supplier vetting

SummaryShenzhen E-Lins Communication Co., Limited is identified as a China-based manufacturer/factory producing IoT, wireless M2M, telecom, router, modem, repeater, switch, gateway, and controller products. The supplier reports ISO 9001, ISO 14001, and CCC certifications, in-house manufacturing, eight production lines, and stated annual product outputs across several router and modem models. Its export activity began in 1999, with 90% of sales reported as exports and customers or distributors in more than 53 countries and regions. The supplier also reports 41–50 R&D engineers, 41–50 quality-control staff, and offers custom products. Evidence supports production scale, international reach, certification, and technical capability; after-sales service, financial credibility, and specific customer case details are not sufficiently documented.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and describes itself as a developer and manufacturer of wireless M2M and telecommunications devices. Its listed products include IoT routers and modems, switches, accessories, and custom products, supporting a direct manufacturing and product-development role.

CertificationsThe supplier states that it has passed ISO 9001, ISO 14001, and CCC certification, while its management-system certifications specifically list ISO 14001 and ISO 9001. These certifications provide explicit evidence of quality and environmental management-system compliance, as represented in the supplied information.

R&D capabilityThe supplier describes itself as a leading developer and manufacturer of wireless M2M and telecom devices, offers 5G and 4G IoT routers and modems, and reports 41–50 R&D engineers. Its custom-products offering and coverage of IoT and industrial connectivity further support technical development capability.

Production capacityThe supplier reports in-house manufacturing, eight production lines, and stated annual outputs including 110,000 H820 routers, 63,000 H700/H720/H750 routers, 41,000 H685 routers, 17,000 H850/H860/H920 routers, and 35,000 M300/M400 modems. This provides explicit evidence of established and measurable production capacity.

Customization capabilityThe product portfolio includes custom products, and the supplier offers industrial and embedded communication equipment across multiple form factors and technologies. These details indicate some customization capability, although the slices do not define engineering scope, minimum order requirements, development processes, or customization examples.

Client casesThe supplier reports clients comprising major global distributors and importers across more than 53 countries and regions, with export markets spanning multiple continents. This demonstrates international customer and distribution reach, but no named customers, project descriptions, deployment quantities, or independently verifiable case studies are provided.