What network bands do the modems support?

The modems support 4G LTE, the bands vary based on the country it will be used.

Can these modems support GPS/GNSS positioning?

Yes, optional support GPS/GNSS.

Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand

Name: Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand
Brand: Shenzhen E-Lins Communication Co., Limited
SKU: 2206190335

Guangdong, ChinaShenzhen E-Lins Communication Co., Limited

US$75.00

1 Set

Product profile

Customization

Available

Transmission Channel

Wireless Modem

Type

Industrial

Model NO.

M400t

Signal Type

4G / 3G

Installation

Rack-Mounted

Clip Function

Hard Modem

Interface Type

USB

Transmission Rate

4G / 3G

Application

Industrial, Enterprise

Transmission Mode

Cellular Modem

Class

4G Industrial Modem

SIM Card Slot

Ports (Optional)

RS232, RS485, USB, RJ45

GNSS (Optional)

GPS, Galileo, GLONASS, Beidou

Power

Dual Power. Adapter & Terminal

DIN-Rail

Option

Antenna

External Replaceable

Case Material

Metal

Certificates

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

Transport Package

Box

Specification

CE, Rohs, etc.

Trademark

E-Lins, OEM, ODM, Neutral

Origin

Shenzhen, China

HS Code

8517629900

Production Capacity

50, 000PCS/Month

Key features

Pure Cellular Passthrough - Dedicated 4G modem module with no routing, VPN, firewall, or LAN functions - simple, low-overhead connectivity for embedded devices.

Ultra-Low Power Consumption - Industry-leading efficiency

Compact & Lightweight - Complete unit weighs only 150g (excluding accessories), ideal for space-constrained installations.

Optional Interface -USB, RJ45, serial,

Multi-Antenna Cellular Reception - 2-3 SMA antenna ports ensure a stable signal across varying field conditions.

AT Command Control - Managed entirely via AT command set, with no web GUI overhead - suited for headless, embedded deployments.

Full 4G LTE Compatibility - Supports global FDD/TDD mainstream bands with 2G/3G fallback for broad network coverage.

Flexible Configuration Options - Supports -G (GPS/GNSS), -DC60V (wide-voltage upgrade), -CatX (speed tier), and -P1 (Active PoE In) suffixes.

Industrial-Grade Reliability - Operates across -35C to 75C with built-in reverse-polarity, overvoltage, and overcurrent protection.

OEM/ODM Ready - Backed by 1-year standard warranty (extendable to 5 years) with custom development support for embedded system integration.

Company profile

Shenzhen E-Lins Communication Co., Limited

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.17h

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.