Shenzhen E-Lins Technology Co., Ltd.
3G WCDMA Modem, 3G HSDPA Umts M2M USB Serial Modem
3G WCDMA Modem, 3G HSDPA Umts M2M USB Serial Modem
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E-Lins industrial 3G modems cover 3G WCDMA, 3G CDMA2000 EVDO, 3G TD-SCDMA. 3G WCDMA is the world-wide popular used technology for mobile networks.

For single sim 3G WCDMA modem, the main model is M300.

A 3g usb modem is a computer hardware and the main function is to put the digital signal into an analog signal translation computer. The signal can be transmitted along the common telephone line, and the analog signal can be received through another modem and last convert to the computer language.

E-Lins 3G WCDMA modem utilizes the most popular technology WCDMA which effectively improve data transmission rate.

And the module enables users to get access to the Internet wirelessly and send/receive Emails, browse the web pages, download at high speed.The module provides highly free and convenient solutions to users in mobile data communication and truly realizes the dream of mobile office.

Modem USB 3G Hot Spot

Built-in 2G/3G industrial cellular modules, insert SIM/UIM card to work directly;

Built-in SIM/UIM card slot;

Broadband M2M communications

SIM failover/standby APN

2G/3G failover for fixed line broadband connections

Rapid service deployment applications

Support At command

USB port

GPS support (option)

Typical Diagram

3G WCDMA Modem typical diagram

Specification of Industrial 3G  USB WCDMA Modem


Mobile Networks



Cellular Frequency

UMTS/HSPA/HSUPA/HSPA/HSPA+/DC-HSPA+ (WCDMA/FDD) 850/1900/2100 MHz or 850/900/1900/2100Mhz/AWS optional

Quad-band EGSM 850/900/1800/1900Mhz







HSDPA:Downlink 7.2 Mbps,Uplink384k bps;

WCDMA/UMTS:Downlink/Uplink 384 kbps;

EDGE:Downlink 236,8 kbps,Uplink 118 kbps;

GPRS:Downlink 85.6 kbps,Uplink 42.8 kbps;

Notes: the bandwidth is peak value. Real value depends on carrier network support.



50Ω SMA female interface *3, externaldetachable;

Antenna for Main Cell, MIMO Cell, GPS


Power indicator

Data indicator




USB 2.0 female


Power supply

DC5V-40V,option isDC5V-50V / DC5V-60V,typical DC9V1A or 12V1A or 12V2A

Power consumption


Average: 85mA@+9VDC





Mac OS;



Other OS with USB port;

At command

Support at command;

Packed with GUI software


Operating Temperature

Work temperature:-30°C to 70°C option for-30°C to 80°C

Storage temperature:-40°C to 85°C


95% Maximum (Non-condensing)


Item (L x B x H):87mm*50mm*23mm

Packaging (L x B x H): 102*70*23mm

PCBA: 84mm*48mm*20mm


150g (not including accessories and package)

Electromagnetic compatibility

anlistatig test:Class 3

Radio electromagnetism test:Class 3



1 Year, can extend up to 5 years

Package Contents

TheM300 Industrial 3G WCDMAModem

USB cable

Power Adapter


CD-ROM with Product Documentation

The functions of 3G WCDMA Modem

Some sharp-eyed people will find that even our buses have been covered by wireless net. Now you can surf the Internet in the buses with wireless net without worrying about whether you have enough cellphone traffic or not. I believe that many people are quite unfamiliar with the IoT( Internet of Things) cards. However, the applications of the IoT cards have already extended into our lives, Internet of Vehicles is one of them. These applications of IoT cards make our lives gradually intelligential.

To meet the market's needs, E-LINS adopts the latest hardware system platform, designs and develops a brand-new product with excellent performances, it is 3G WCDMA Modem. This product adopts USB2.0 standard interface communication and ensures the transmission speed of datas efficiently.

The products adopt industrial grade design standard,  they have strong capability of resistance to moisture, thunder and electromagnet. They are packed with firm metal shells, which makes them have strong capability of resistance and solid. It has been widely used in industrial fields as they have advantages of stable performance, small volume, simple installation, easy operation and strong environmental resistance, etc.
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