GTM-204M-4GC Industrial 4G Modem, RS-232 and USB, China Frequency Band
Industrial 4G LTE and quad-band GSM modem with RS-232 and USB interfaces, set up for the China frequency band. Moves data and SMS over 4G, 3G and 2G networks for remote PLC and PC links.
- Supports TCP Server, TCP Client and UDP Client connection stacks for network data transfer.
- Standard AT command set for control, with SMS, data and voice applications.
- RS-232 port at 9600 to 115200 bps (default 115200 bps) plus USB 2.0 high-speed interface.
- GSM/GPRS/EDGE/WCDMA/HSPA/LTE network connectivity for long-range wireless links.
- Isolated digital input rated 3750 Vrms, used for resetting the system.
- LED indicators for power and 2G/3G/4G status.
4 872,21 kr per stk.
| 1–9 stk. | 4 872,21 kr | |
|---|---|---|
| 10–30 stk. | 4 726,77 kr | −3 % |
| 31+ stk. | 4 622,88 kr | −5 % |
Produktinformasjon "GTM-204M-4GC Industrial 4G Modem, RS-232 and USB, China Frequency Band"
The GTM-204M-4GC CR is a DIN-rail cellular modem for engineers who need to link a PLC or PC to remote equipment over mobile networks. It supports 4G LTE, 3G WCDMA and 2G GSM connections and can carry data, SMS and voice, with TCP Server, TCP Client and UDP Client connection stacks available for the application.
Control is handled through standard AT commands over the RS-232 port, which runs from 9600 to 115200 bps, or through the high-speed USB 2.0 interface. A digital input is provided for resetting the system, and status LEDs show power and 2G/3G/4G network activity. The metal housing is rated for an operating range of -25 ~ +70 °C.
The CR suffix identifies the variant built for the China frequency band, so check the band support against your deployment region before ordering.
Applications
- Remote data monitoring and control
- Water, gas and oil flow metering
- Power station monitoring and control
- Oil field, weather forecast and environmental monitoring
- Street lamp monitoring and control
- Fleet management
- Vending machine connectivity
- Vehicle logistics and diagnostics
| Product type: | Modem |
|---|---|
| Interface: | RS-232, USB |
| Protocol: | TCP, UDP |
| Digital inputs: | 1 |
| Ports: | 1 x RS-232 |
| Isolation: | 3750 Vrms |
| Operating temperature: | -25 ~ +70 °C |
| Mounting: | DIN-rail |
| Housing: | Metal |
Spesifikasjoner
| LED Indicators | |
|---|---|
| Status | 1 x Power 1 x 4G |
| 2G System | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Ports | 1 x RS-232 (RxD, TxD, GND) |
| Baud Rate | 9600 bps ~ 115200 bps (default：115200 bps) |
| USB | |
| Specification | USB 2.0 (high speed) |
| Driver | Windows XP/7/8/10, Windows Server 2012 |
| Mechanical | |
| Casing | Metal |
| Dimensions (mm) | 28 x 78.5 x 100 (W x L x H) |
| Installation | DIN-Rail |
| Environment | |
| Operating Temperature | -25℃ to 70℃ |
| Storage Temperature | -40℃ to 80℃ |
| Humidity | 5~90% RH, non-condensing |
Spesifikasjoner som oppgitt av produsenten. Med forbehold om endringer.
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