D83 Series NB-IoT/Cat-M1

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..

Datasheet
Application
Firmware

Features

Multiple operation mode

  • 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