Modem LTE (4G) kết nối RS-232 & USB ICP DAS GTM-204M-4GC CR
Introduction
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.
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.
Features
- Industrial design, making it a reliable cellular solution for data collection and transmission.
- Reliable GSM/GPRS/EDGE/WCDMA/HSPA/LTE 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/4G and Power Indication.
- High Reliability in Harsh Environment.
- RS-232 Port Supports 9600 bps to 115200 bps.
- USB 2.0 high speed.
- Mount Easily on DIN-Rail.
Specifications
LED Indicators | |
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Status | 1 x Power 1 x 4G |
2G System | |
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Data Transmission Rate | GPRS Downlink transfer: Max. 85.6 kbps Uplink transfer: Max. 42.8kbps |
Frequency Band | 900/1800MHz |
Coding Schemes | CS 1, CS 2, CS 3, CS 4 |
GPRS Multi-slot | GPRS class 12; GPRS station class B |
Power Class | Class 4 (2 W @ 850/900 MHz) Class 1 (1 W @ 1800/1900 MHz) |
SMS Format | Sending: UCS2/7bits Receiving: UCS2/7bits |
3G System | |
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Data Transmission Rate | DC-HSPA+ Downlink transfer: Max. 42 Mbps; Uplink transfer: Max. 5.76Mbps TD-SCDMA Download: Max. 4.2 Mbps; Upload: Max 2.2Mbps CDMA2000 EVDO Download: Max. 14.7 Mbps; Upload: Max 5.4Mbps |
Frequency Band | WCDMA 900/2100 MHz TD-SCDMA 1900/2100 CDMA2000 (BC0) 800 |
Power Class | Class 3 (250mW @ WCDMA/HSPA) |
SMS Mode | MT, MO, CB, Text and PDU mode |
4G System | |
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Data Transmission Rate | LTE Downlink transfer: Max. 100 Mbps Uplink transfer: Max. 50Mbps |
Frequency Band | FDD LTE: B1/B3/B8 TDD LTE: B38/B39/B40/B41 |
Reset Input | |
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Type | Isolated, 3750 Vrms |
ON Voltage Level | +3.5 VDC ~ +30 VDC |
OFF Voltage Level | +1 VDC max.T43 |
Input Impedance | 3 kΩ, 0.25W |
COM Ports | |
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Ports | 1 x RS-232 (RxD, TxD, GND) |
Baud Rate | 9600 bps ~ 115200 bps (default:115200 bps) |
USB | |
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Specification | USB 2.0 (high speed) |
Driver | Windows XP/7/8/10, Windows Server 2012 |
Mechanical | |
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Casing | Metal |
Dimensions (mm) | 28 x 78.5 x 100 (W x L x H) |
Installation | DIN-Rail |
Environment | |
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Operating Temperature | -25℃ to 70℃ |
Storage Temperature | -40℃ to 80℃ |
Humidity | 5~90% RH, non-condensing |
Ordering information
GTM-204M-4GC CR | Industrial 4G Modem with RS-232 and USB interface. Freqency Band for China. (RoHS) (Asia Only) |