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  • D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control
  • D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control
  • D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control
  • D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control
  • D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control
D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control

D223 M2M Modem GSM 3G DTU Support Programmable SMS Data Transfer with TTL RS485 Port Access Control COD

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                        Description :

                        The GSM 3G IOT M2M Modem DTU D223 is a powerful and programmable multi-purpose wireless cellular modem and data transfer unit (DTU). It provides a secure, high speed, reliable wireless data transmission between com port and internet connection for customers over 3G wireless cellular network. Also, it can be used as SMS modem and Modbus RTU to Modbus TCP converter.

                        Moreover, it is suitable for transparent transferring SMS text between mobile phone, computer and RS232/RS485/TTL Serial port over GSM/3G  wireless cellular network. It can be used as SMS modem supports transparent transferring SMS, AT Commands, and provides 1 digital input can be 
                        used as SMS Alarm and Pulse Counter Alarm, too.
                        Features :

                        Can be operated from anywhere, no distance limitation;
                        Quad band 850/900/1800/1900Mhz GSM GPRS Module inside;
                        Embedded 32 bit ARM9 MCU, reliable performance with in-built watchdog;
                        Multi-functional, supports AT Commands, Transparent SMS and Data Transfer;
                        1 TTL port can be used for TTL device data transfer;
                        1 three-wire RS485 serial port, RS232 is optional, Baud rate adjustable from 1200~115200bps, ± 15KV ESD protection;
                        1 digital input, supports dry contact, wet contact, pulse counter can be used as alarm, or trigger to wakeup or online event;
                        Powerful programmable features, supports programmable handshake message, etc;
                        Real-time online data transfer, supports always only or event triggered online;
                        Build-in protocol stack, support TCP/UDP network protocol;
                        Support transparent data transfer and Modbus TCP protocol conversion;
                        Heartbeat function and autodial to ensure the device online;
                        Supports DNS and static data service center IP address;
                        Supports wakeup by SMS, Call and Comport, Timer, Digital input or pulse counter input;
                        Automatically restart the cellular module while communication failure, and resend the data in the cache, the cache capacity up to 12K bytes, also when cellular communication failure will alert by SMS text;
                        Supports remotely restart the device, and configure it by SMS commands remotely;
                        Up to 10 user's phone number to receive alarm and daily report SMS/Call;
                        Industrial class design suitable for long time work applications;
                        Support configure parameters, load profiles and upgrade the firmware via PC;
                        Wall mount or 35mm standard DIN rail Design, convenient installation
                        Specification :

                        Working Voltage: Normal mode: DC 9V-36V, typical DC 12V 1A
                        Power Consumption: Max.: 500mW, Standby: 150mW, Average: 180mW
                        Cellular Network: 3G version (850/1900MHz, 900/2100MHz)@GSM
                        Protocol: TCP, UDP, PPP, SMS, Modbus TCP
                        SIMCARD: 3V
                        Antenna Connector: SMA antenna, 50ohm
                        Receive Sensitivity: -102dBm
                        Working Temperature: Operation: -35 to 80 ℃, Restricted Operation: -35 to 45℃
                        Storage Temperature: -45 to 90 ℃
                        Retated Humidity: <85%(20±5 ℃), non-condense
                        Air Pressure: 86-208Kpa
                        Digital input: Dry contract NC or NO, Wert contract: 0-0.5V DC stands for close, 3-30V DC stands for Open, pluse counter
                        Data com port: 3-wires, RS232/485 Baud rate optional 1200-115200bps, default is RS485, optional: RS232
                        TTL port: GND, Tx, Rx
                        Configure com port: USB
                        Voltage output: Provide DC power to external device, voltage=DC input
                        Dimension: 70*88*30mm
                        Net weight: 300g

                        Package includeds :

                        1 x DTU D223 SMS&Data Transfer
                        1 x AC/DC Adaptor
                        1 x Antenna
                        1 x User Manual
                        Details pictures :

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                        (1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
                        (2) Business days do not include Saturday/Sunday and any public holidays.
                        (3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
                        (4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
                        (5) Expedited shipping can not be used for PO Box addresses

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