GTM-203M-3GWA
Industrial Quad-band industrial 3G WCDMA Modem
● Reliable GSM/GPRS/EDGE/WCDMA/HSPA network connectivity, providing fast and cost-effective long-range wireless applications
● Designed for Data, SMS and Voice Applications
● Support TCP Server, TCP Client, UDP Client Connection stack
● Support Standard AT Commands
● A Digital Input Channel for Resetting the System
● LED Indicators for 2G/3G and Power Indication
● High Reliability in Harsh Environment
● RS-232 Port Supports 9600 bps to 115200 bps
● USB 2.0 high speed
● USB Driver for Windows, LinPAC (Linux 2.6)
● Mount Easily on DIN-Rail
The GTM-203M-3GWA is an industrial Quad-band 3G WCDMA cellular modem with RS-232 and USB interfaces working on frequencies of Quad-band WCDMA 850/900/1900/2100 MHz, and Quad-band GSM 850/900/1800/1900 MHz. The GTM-203M-3GWA enables internet connection over 3G, when 3G service is available. It automatically selects 3G or GPRS continue to work.
Moreover, the GTM-203M-3GWA has the integrated TCP, UDP/IP stack so that even simple controllers with serial communication ports can be connected to the modem without the need for special driver implementation. With the features of GTM-203M-3GWA, the systems can be SMS and 3G/GPRS connection applications with various PLC and PC.
Applications:
•Remote Data Monitor and Control
•Water, gas and oil flow metering and schedule
•Power station monitoring and control
•Oil field, weather forecast, environmental protection, street lamp monitoring and control
•Fleet management
•Vending machine
•Vehicle logistics and diagnostics controlling
| Frequency Band | GSM 850/900/1800/1900 MHz |
| GPRS Connectivity | GPRS class 12; GPRS station class B |
| CSD |
GSM max. 9.6 kb/s |
| Coding Schemes |
CS 1, CS 2, CS 3, CS 4 |
|
COM Port
|
RxD, TxD, GND |
| COM Port Baud Rat | 9600 bps ~ 115200 bps (default：115200 bps) |
| USB |
USB 2.0 (high speed) |
| USB Driver Support |
Windows XP/Vista/7/8/Server 2012, Linux |
|
Input Type
|
Isolated, 3750 Vrms |
| On Voltage Level | +3.5 VDC ~ +30 VDC |
| Off Voltage Level |
+1 VDC max. |
| Input Impedance |
3 kΩ, 0.25W |
|
Power
|
Red |
| 3G/GSM | Green |
|
Protection
|
Power reverse polarity protection |
| Frame Ground Protection | ESD, Surge, EFT, Hi-Pot |
| Required Supply Voltage | +10 VDC ~ +30 VDC |
| Rated Current | 30 ~ 15 mA / 10 ~ 30 VDC |
|
Casing
|
Metal |
| Dimensions (W x L x H) | 28 mm x 78.5 mm x 100 mm |
| Installation | DIN-Rail |
|
Operating Temperature
|
-25℃ to 70℃ |
| Storage Temperature | -40℃ to 80℃ |
| Humidity | 5~90% RH, non-condensing |