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D83 Series NB-IoT/Cat-M1

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Wlink D83 is Industrial Serial to IP NB-IoT/Cat-M1 modem (called as DTU as well) which convert the serial data (RS232/485/422) into IP data and then transfer to data center through NB-IoT/CAT-M1 network..

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  • Overview
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 Narrow Band-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT uses a subset of the LTE standard, but limits the bandwidth to a single narrow-band of 200kHz. 

 NB-IoT focuses specifically on indoor coverage, low cost, long battery life, and high connection density, significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. Battery life of more than 10 years can be supported for a wide range of use cases.

 WLINK rugged D83 serial port to IP modem is a NB-IoT/CAT-M1(eMTC) modem have been developed especially for IoT/M2M application. It provides RS232/RS-485 interface and equipped with PPP, UDP and CoAP protocol, it could convert the user data into LTE NB-IoT/CAT-M1 network and transmits the data to the customer’s data service center through complete transparent data channel, allows a simple and rapid integration of cellular network connectivity into IoT/M2M application.

 D83 series modem is a unique compact hardware and low power consumption designs, making it an ideal solution for a variety of industrial automation and monitoring applications including smart water/oil/gas, Power, Environment Protection, Water Conservancy and Lighting control monitoring etc.

Basic Features

  • Integrated NB-IoT/CAT-M1(eMTC ) communication

  • Optimized EMC design

  • Support APN and VPDN private network

  • Support transparent data transmission

  • Support data service center with dynamic IP address

  • Standard PPP, UDP and Coap protocol

  • RS232/RS485 optional for data communication

  • Support LED status indication

  • Wide range voltage input

  • Smart power management

  • External power on/off control

  • Reliable, flexible and easy to deploy

Enhanced Features

Multiple operation model

  • Always online: automatically attaches NB-IoT/Cat-M1 when powered on

  • automatically redials when off line and keep line alive

  • Offline when idle and trigged online by user data, ring or SMS

  • GPRS channel and SMS mutual backup

  • Online/offline control by commands via user equipment

  • Data loop test

  • Supports UDP and CoaP

Multiple data service centers communications

  • Supports up to 4 data service centers communications

  • Supports main/backup data service centers communications

  • Supports customized setting for each data service center

Flexible and utilitarian data communications

  • Supports TCP/IP, UDP/IP, DDPTM, SMS and AT

  • Self-defines transparent or protocol communications

  • Self-defines customized data frame separator

  • Self-defines reconnecting interval

  • Self-defines heart-beat data frame

Parameters configuration and remote management

  • Built-in parameters configuration menu

  • Configuration tool based on PC

  • Remote parameters configuration via data service center

  • Remote parameters configuration by SMS

  • Parameters configuration via AT+ commands

Typical Application

  • Power SCADA

  • Oil field,

  • Coal mine,

  • Weather forecast

  • Environment protection,

  • Water conservancy,

  • Heating, natural gas,

  • Petroleum


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