eMTC LTE-M NB-IoT modem tcp udp coap

Place of Origin:
Fujian, China (Mainland)
Brand Name:
Model Number:
Serial Port:
1* RS232/RS485
Power Range:
DC 5-35V
Standard Power:
DC 12V/0.5A
91×58.5×22 mm
Metal, IP30
Communication Current:
800MHz, 850MHz, 900MHz
Supply Ability:
1000 Set/Sets per Week
Packaging Details
Standard Bivocom carton package or neutral & OEM carton

Wireless plc industrial 4g modem 2g gsm modem support at command with external antenna

Xiamen, China

Product Description

TW810 Series LTE CAT M1/NB1 Modem




TW810 Series LTE CAT M1/NB1 Modem is a type of industrial wireless terminal based on LTE CAT M1/NB-IoT technology, designed to fully meet the needs of industrial standards and industrial users. It adopts high-powered industrial 32-bits CPU, multi-layer software detection and hardware protection mechanism to ensure reliability and stability of the device. It supports carrier NB-IoT network and EMTC, and with rich and flexible interfaces, such as RS232, RS485 and RS422, and TTL GPIOs is also customizable.


Key Features

Support NB-IoT cellular network and LTE CAT M1(EMTC)

1x RS232, 1x RS485 (Or RS422), 5x I/O.

Transparent data transfer, with built in standard UDP/IP and TCP/IP stack(Only available on LTE CAT M1).

Multi data centers (up to 5), able to access center with domain name and IP address.

Support heartbeat link detection, keep device always online.

Hardware and software auto inspection technology, enable operation fault auto repairing.


Product Specification 

  LTE CAT M1/NB1 modem TW810 series with RS232, RS485, I/O, AT command


1*RS232, 1*RS485, 5*I/O, 1*SIM/UIM

Power Range

DC 5~35V

Standard Power

DC 12V/1.5A


Metal, IP30


91×58.5×22 mm(3.58×2.30×0.87 inches)



Operating Temperature

-35~+75ºC(-31~+167 ºF)


Detailed Images for NB-IoT modem 2g gsm modem support at command with external antenna


Order Information

Model Description Cellular Band Options
TW810-B5 Industrial NB-IoT Modem Support 850MHz(B5)
TW810-B8 Industrial NB-IoT Modem Support 900MHz(B8)
TW810-B20 Industrial NB-IoT Modem Support 800MHz(B20)
TW810-GL Industrial NB-IoT Modem B1/B3/B8/B5/B20/B28
TW810-MS7C Industrial LTE CAT M1/NB1 Modem  B1/B3/B5/B8

Package Checklist

TW810 Modem Host     

Cellular antenna(SMA Male)

Power Adapter(12VDC/0.5A)

3- Pin RS232 cable

12-Pin Terminal Block

Product Application

TW810 Series LTE CAT M1/NB-IoT Modem can help users to quickly access the LTE CAT M1/NB-IoT network, to ensure low power consumption, secure and reliable data transmission. It’s ideal for IOT (Internet of Things) and M2M (Machine to Machine) applications, and has been widely used in many applications, such as Smart Grid, Water and Gas Metering, Street Lamp, Environmental Protection, Energy Saving, etc.

Company Information

Bivocom is a professional and leading solution provider of industrial wireless transmission terminal for IoT(Internet of Things) and M2M(Machine to Machine). Bivocom offers high quality 4G/3G/2G wireless modems, DTU, Router, Android IPC, LoRa module, and our products have been widely used for smart grid, smart city, oil and gas, irrigation, intelligent transportation, kiosk and vending, mining, weather station and industrial automation. Partners and customers trust and rely on Bivocom’s high quality and cost-effective solutions, as well as fast and flexible technical support. With an R&D team of 10+ years of industry experience, Bivocom delivers innovative and reliable solutions for partners and industries.



1.What kind of payment do you usually use?

 T/T, L/C, Credit Card, Western Union and Paypal are all available.


2.How long will you delivery the goods after payment?

For samples, we usually delivery the goods within 3 days.


3.How many days can I get the goods?

It takes approximate 4-5 days if send by courier/air.


4.What kind of certificate your product pass?

Certificate: CE,RoHS,FCC.


5.Can you do OEM/ODM?

OEM/ODEM are welcomed.


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