E-LINS H685td TD-SCDMA Router Specification Sheet

This datasheet details the E-LINS H685td, an industrial-grade 32-bit embedded router supporting TD-SCDMA/2G networks for IoT applications like smart grids…

Brand: E-Lins
Category: Router
Document type: Datasheet
Language: Chinese
Pages: 7
File format: PDF
File size: 440 KB
Published: 15 October, 2026
Updated: 15 October, 2026
MD5 checksum: A4139A6A56078677726356AADA7B02CB
PDF: E-LINS H685td TD-SCDMA Router Specification Sheet PDF

About this manual

The E-LINS H685td is a high-performance wireless communication router designed by Shenzhen E-LINS Technology Co., Ltd. It utilizes a powerful 32-bit embedded processor with an integrated TCP/IP stack, featuring RS-232/485 serial ports and 10/100M Ethernet interfaces. The device supports various VPN technologies (IPSec/PPTP/L2TP/GRE) and enterprise-grade firewall capabilities to ensure secure data transmission for industrial users. This manual is written in Chinese.

What's inside

Product Overview
Main Function Features
Typical Application Diagrams
Wireless Characteristics
Hardware System Specifications
Interface Types
Software System & Protocols
Physical Characteristics

Specifications

Processor	Industrial grade 32-bit communication processor
Flash Memory	8MB (64Mb)
SDRAM	64MB (512Mb)
Serial Interface	RS232 or RS485 (Terminal block)
Power Input	DC 5~40V (Optional DC 5~50V)
Operating Temperature	-35~+75ºC
Protection Grade	IP30

Frequently asked questions

What wireless networks does the H685td support?

It supports 2G GSM/GPRS/EDGE and 3G TD-SCDMA/TD-HSDPA/TD-HSUPA.

What is the theoretical downlink speed of the 3G module?

The theoretical downlink rate for TD-SCDMA is 2.8Mbps.

Does the router support VPN client functionality?

Yes, it supports PPTP, L2TP, IPSEC, and GRE as a VPN client.

What is the power consumption in idle mode?

The current draw in idle mode is approximately 100mA at 12VDC.

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