12
APPENDIX
GT3100 SPECIFICATIONS
Physical Parameters
Enclosure dimensions
88(L)*76(W)*25(H)
Weight 100g
Electrical
DC Supply voltage
12V
DC Tolerance voltage
9V
－
16V
Current (GPRS online)
60mA
Current (GPRS transmission)
80mA
Current (Peak)
120mA
GPRS*
Frequency Range (MHz)
Support 4-frequency 850/900/1800/1900
Channel spacing (Hz)
200
GPRS connectivity
GPRS multi-slot class 8
GPRS mobile station class B
SIM card interface
3V/5V
SMS storage Capacity
40 in ME
Antenna Connector
Silver Male TNC or SMA
Antenna Impedance
50ohms
GPS*
* Data provided by trimble
Protocol NMEA0183
Baud Rate
9600
Signal 1575MHz
Number of Channels
12 Channel Simultaneous Operation
Accuracy Horizontal
<5 meters (50%), <8 meters (90%)
Altitude
<10 meters (50%), <16 meters (90%)
Velocity 0.06
m/sec.
Hot Start:
<10 sec. (50%), <13 sec. (90%)
Warm Start:
<38 sec. (50%), <42 sec. (90%)
Cold Start:
<50 sec. (50%), <84 sec. (90%)
Antenna Type
Active 3.3V
Antenna Connector
Gold Male SMA
