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| Categories: | Industrial SMS Controllers and GPRS Data Servers | 2G/3G/4G Wireless Solutions |
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GT-541 is an intelligent multiport serial to GPRS gateway for industry M2M applications. It is designed for linking RS-232/485 devices to a GPRS network. The user-friendly VxComm Driver/Utility and VxServer allow users to easily turn the built-in COM ports of the GT-541 into standard COM ports on a PC. By virtue of its protocol independence, a small-core OS and high flexibility, the GT-541 is able to meet the demands of every network-enabled application. M2M solution will improve the service quality and reduce operating costs. Many application areas can be improved by using GT-541.

| System | |
| CPU | ARM Microprocessor |
| SRAM | 32 Kbytes |
| Flash Memory | 512 Kbytes |
| WDT(watchdog) | Yes |
| 2G system | |
| Frequency Band | Quad-band: 850/900/1800/1900 MHz |
| Compliant with GSM Phase 2/2+ | Class 4 (2 W @ 850/900 MHz); Class 1 (1 W @ 1800/1900 MHz) |
| Coding Schemes | CS 1, CS 2, CS 3, CS 4 |
| Serial ports | |
| Utility port | RS-232: TxD, RxD, GND (use for device configuration and debug) |
| COM1 | RS-232: TxD, RxD, GND (use for communication with other devices) |
| COM2 | RS-485: D+, D- (use for communication with other devices) |
| Baud Rate | RS-232 : TxD,RxD,GND for communication with other devices |
| Power | |
| Protection | Reverse polarity protection |
| Frame Ground Protection | ESD, Surge, EFT, Hi-Pot |
| Required Supply Voltage | +10 VDC ~ +30 VDC |
| Mechanical | |
| Casing | Plastic |
| Flammability | UL 94V-0 materials |
| Dimensions (W x L x H) | 91 mm x 132 mm x 52 mm |
| Installation | DIN-Rail |
| Environmental | |
| Operating Temperature | -25 ℃ ~ +75 ℃ |
| Storage Temperature | -30 ℃ ~ +80 ℃ |
| Ambient Relative Humidity | 5 ~ 95% RH, non-condensing |
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