Product description

GT89-V is a wireless data transmission terminal device based on GSM/GPRS network, providing a fully transparent data channel, which can conveniently and quickly achieve remote, wireless, and networked communication methods. Make it easy for your device to connect wirelessly to the Internet. 

GT89-V has many advantages such as wide network coverage, flexible and fast networking, and low operating costs. It can be widely used in industries such as power systems, industrial monitoring, traffic management, meteorology, water treatment, environmental monitoring, financial securities, coal mines, petroleum, new energy, etc.

Technical Parameters

1.Network type:GPRS class12.

2.Encoding method:CS1 – CS4. Complies with SMG31bis technical specifications.

3.Frequency band:GSM850MHz/EGSM900MHz, DCS1800MHz/PCS1900MHz.

4.GPRS network transmission rate:Downlink: 85.6kbps, uplink: 85.6kbps.

5.Supports network protocols: TCP、UDP、FTP、PPP、DNS.

6.SIM card voltage:1.8V、3.0V

7.Antenna Interface:50 Ω SMA female head.

8.Serial port level type:Industrial grade half duplex RS485.

9.Serial Port Baud Rate:1200~115200bps.

10.Power Supply: DC：7~36V, standard 12V/1A power supply.

11.Power Waste:Communication:<150mA, Idle:<35mA.

12.Working Temperature: -40~85℃.

13.Humidity Range:0~95%, No cooling.

14.Electromagnetic compatibility performance: electrostatic discharge reactance interference test level 3.

15.Radio frequency electromagnetic field radiation: anti-interference test level: Level 3.

Product characteristics

1.Product features: Large cache area design (serial port transceiver, built-in 8KB data cache), using dynamic partitioning technology to improve cache area utilization efficiency;

2.The single packet data length can be set, with a maximum support of 1024B, suitable for continuous transmission of large amounts of data;

3.7-36V wide range power supply;

4.Equipped with device power off function, convenient for user control;

5.Data transmission is fully transparent, and users do not need to understand complex protocols such as TCP/IP and PPP;

6.Support data center dynamic domain name, fixed IP, and fixed domain network access;

7.Support backup data centers;

8. Support APN virtual private network (VPN private network, requires application from network operator);

9.Supports four working modes: client TCP/UDP, server TCP/UDP, SMS (short message data transmission), and MODEM;

10.Supports always online, idle offline, and scheduled online and offline (if enabled, DTU will establish a connection with the server at the specified time every day);

11.Support automatic reconnection after disconnection;

12.Support local and remote graphical interface parameter configuration and maintenance;

13.Support SMS parameter configuration and maintenance;

14.Support the virtual serial port function of the data center, seamlessly connect with existing upper computer software, and achieve plug and play;

15.Supports 7-bit, 8-bit, and 9-bit data transmission;

16.Supports odd, even, Mark, and space validations;

17.Multiple reliable software and hardware designs, combined with watchdog technology, ensure safe operation of the device.

IOT Cloud download, Support Android and Apple system
A complete set of IOT modules, including IOT card, Antenna, and Data cable.