GSM Modem With Serial Interface for SMS

Product Details:

The GTM-204M Series is an industrial 4G LTE and Quad-band GSM modem with RS-232 and USB interfaces that work at frequencies of 4G LTE and 3G WCDMA and 2G GSM. The modems utilize the 4G/3G/2G networks to transfer data. The features of the GTM-204M Series allow a variety of PLC and PC applications to take advantage of SMS and 4G/3G/2G connectivity.

Additional Information:

Item Code: GTM-204M-Series

Product Details:

The GTM-201 series are industrial Quad-band GSM/GPRS modems with RS-232 and USB interfaces that work on frequencies of GSM 850 MHz, EGSM 900 MHz, DCS 1800 MHz and 1900 MHz. The modems utilize the GSM/GPRS network for convenient and inexpensive data transfer from remote instruments, meters, computers or control systems in either live data or packet data. GTM-201 series have the integrated TCP/IP stack so that even simple controllers with serial communications ports can be connected to the modem without the need for special driver implementation. With the features of GTM-201 series, the systems can be SMS and GPRS connection applications with various PLC and PC. Moreover, with the voice interface, these modems can also be applied to the alarm system with sounds.

• Supply Voltage: +10 VDC ~ +30 VDC
• 4 KV ESD Protection
• Quad-band GSM/GPRS Modem Operating on 850/900/1800/1900 MHz
• Designed for GPRS, Data, Fax, SMS and Voice Applications
• Support TCP Server, TCP Client, UDP Client Connection from GPRS
• Support Standard AT Commands
• A Digital Input Channel for Resetting the System
• Provide the MIC Input and Speaker (32 Ω) Output Interface
• LED Indicators for GSM and Power Indication
• High Reliability in Harsh Environment
• RS-232 Port Supports 9600 bps to 115200 bps (GTM-201-RS232)
• USB Driver for Windows, WinPAC (WinCE5.0), LinPAC (Linux 2.6) (GTM-201-USB)
• Mount Easily on DIN-Rail

Additional Information:

Item Code: GT-200-RS232

Product Details:

• Remote Data Monitor and Control
• Water, gas and oil flow metering
• AMR (automatic meter reading)
• Power station monitoring and control
• Remote POS (point of sale) terminals
• Traffic signals monitor and control
• Fleet management
• Power distribution network supervision
• Central heating system supervision
• Weather station data transmission
• Hydrologic data acquisition
• Vending machine
• Traffic info guidance
• Parking meter and Taxi Monitor
• Telecom equipment supervision (Mobile base station, microwave or optical relay station)