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The GTM-204M-4GE 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-4GE allow a variety of PLC and PC applications to take advantage of SMS and 4G/3G/2G connectivity.
| 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°C to 70°C |
| Storage Temperature | -40°C to 80°C |
| Humidity | 5~90% RH, non-condensing |
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User's Manual
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