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

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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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