GTM-203M-3GWA CR
Industrial 3G Modem with RS-232 and USB interface
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.
GTM-203M-3GWA CR: Industrial Quad-band 3G WCDMA Modem (Include GTM-203M-A Accessory) (RoHS)
- Industrial design, making it a reliable cellular solution for data collection and transmission
- 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
GSM / GPRS Interface
Frequency Band: GSM 850/900/1800/1900 MHz
GPRS Connectivity: GPRS class 12; GPRS station class B
CSD: GSM max. 9.6 kb/s ; UMTS max. 64 kb/s
Coding Schemes: CS 1, CS 2, CS 3, CS 4
3G Interface
Frequency Band: WCDMA 850/900/1900/2100 MHz
PSD:
HSUPA max. 5.76 Mb/s
HSDPA max. 7.2 Mb/s
WCDMA max. 384 kb/s Download/Upload link
SMS
SMS: MT, MO, CB, Text and PDU mode
Comm. Interface
COM Port: RxD, TxD, GND
COM Port Baud Rate: 9600 bps ~ 115200 bps (default：115200 bps)
USB: USB 2.0 (high speed)
USB Driver Support: Windows XP/Vista/7/8/Server 2012
LED Indicators
Power: Red
3G/GSM: Green
Power
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
Reset Input
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
Mechanical
Casing: Metal
Dimensions (W x L x H): 28 mm x 78.5 mm x 100 mm
Installation: DIN-Rail
Environmental
Operating Temperature: -25℃ to 70℃
Storage Temperature: -40℃ to 80℃
Humidity: 5~90% RH, non-condensing