Skip to product information
1 of 13


CWT-L2020S 2Di 2Ai RS485 Modbus Gprs 3G 4G Wifi Rtu Modem Iot Gateway

Regular price $72.00 USD
Regular price Sale price $72.00 USD
Sale Sold out

Please notice: All prices are untaxed!

CWT-L2020S M2M IoT Gateway

For acquiring the remote operating parameters and process management, CWT-L2020S IOT M2M Gateway help machine to access internet via GPRS/4G/Wi-Fi and establish TCP/IP connection with server.CWT-L2020S can be widely used in industrial automatic control, base station / computer room monitoring, environmental monitoring, water conservancy project, power industries, agriculture, etc.

CWT-L2020S Options and Basic Features

2G/4G Version Standard Package

IO port feature

DI (digital input) features:

  • Accept dry contact

AI (analog input) features:

  • Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 16-bit precision)

  • Convert signal to actual measure value,support adjustment

  • Configurable parameters for signal acquisition, alarm, data communication

  • Detect connect or disconnect to alar

RS485 port features

Modbus master mode on RS485 to read16 registers from slaves and push data to server by TCP/IP(optional multiple protocol)

Communication Features

System Features
  • Adopted highly integrated industrial 32-bit ARM MCU

  • Reliable performance with built-in double watchdog, 24×7 operation

  • With signal filtering mechanisms

  • Network-reconnect and retransmission to ensure data accurately transmit

  • Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server

  • Can set multiple timers(second, minute, day, week, month) to upload data

  • Provide configure software, visual programming

  • Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power los


Standard Package List
gateway×1, antenna×1,USB cable×1, configure Software

CWT provide free cloud service

Introduce your content

Answer your customers' common questions

List a frequently asked question

Then provide an answer that will help your customer make an informed purchase.

List another frequently asked question

List another frequently asked question