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GT-541 User manual
Publication Jun, 2012 Ver.1.03
5
2. Hardware
2.1 Specifications
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