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| Categories: | Industrial SMS Controllers and GPRS Data Servers | 2G/3G/4G Wireless Solutions |
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The SMS-531 has officially been phased out and will no longer be available. It has now been replaced by GTP-541M.
The SMS-534 is an intelligent 3G SMS/Voice controller for industry applications with the simple commands and SMS tunnel function, and power can be input by the external power or Li-Battery. It supports UNICODE or 7 bit format for users to implement sending SMS messages with various languages. The SMS-534 also provides the sound alarm application with the pre-defined voice files. In addition, the DTMF function of the SMS-534 is for the applications with the keypad of phones to control the local I/O. And, With the SMS DBS software of ICP DAS, users can manage the SMS-534 in PC centrally.


| System | |
| CPU | 32 bit CPU |
| RTC | Gives time(sec, min, hour) & date, leap year compensation from 1980 to 2079 |
| WDT(watchdog) | Yes |
| Serial ports | |
| COM1 | RS-232 : GTxD,RxD,GND (for configuration) |
| COM2 | RS-485 : GDATA+,DATA- |
| DIO | |
| Input | 6 Channel (Counter 5~40Hz ) On Voltage : +3.5~24VDC Off Voltage : +1V Max. |
| Output | DO :2 Channel(isolation) ON Voltage:+24.0 V OFF Voltage: +1.0 V MAX |
| 3G interface | |
| Frequency Band | 850/900/1900/2100 MHz |
| Power class | Class 3(250mW @ WCDMA/HSPA) |
| GPRS/GSM Interface | |
| Frequency Band | 850/900/1800/1900 MHz |
| GPRS connectivity | GPRS Class 12 |
| Power Class | Class 4(2W @ 850/900 MHz) Class 1(1W @ 1800/1900 MHz) |
| Analogy Input | |
| Input Channel | 1 |
| Input Type | 0 ~ 20 mA |
| Resolution | 12 bits |
| Sampling Rate | 1 samples/ second |
| Storage | |
| Micro SD card | Up to 32G |
| Sound format | |
| File type | *.wav |
| File format | PCM |
| Sound data bit | 16 bits |
| Sound channel | Single track |
| Sound SamplesPerSec | 8 kHz,11 kHz |
| Power | |
| Protection | Reverse polarity protection |
| Frame Ground Protection | ESD, Surge, EFT, Hi-Pot |
| Required Supply Voltage | +10 VDC ~ +30 VDC With 600 mAh Li-ion battery backup (Option : 1200 mAh) |
| Mechanical | |
| Casing | Plastic |
| Flammability | UL 94V-0 materials |
| Dimensions (W x H x D) | 91 mm x 132 mm x 52 mm |
| Installation | DIN-Rail |
| Environment | |
| Storage Temperature | -30 ℃ ~ +80 ℃ |
| Humidity | 5 ~ 95% RH, non-condensing |
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