ET-312
The Specifications are subject to be changed without notice. Copyright
©
2007, GlobalSat Technology.
Page 3 of 21
Version 1.4
Channels 20
Flash 4Mbit
Sensitivity Tracking:-159dBm
Cold Start
42 seconds, average
Warm Start
38 seconds, average
Hot Start
1 second, average
Reacquisition
0.1 second, average
Accuracy
Position: 10 meters, 2D RMS
5 meters, 2D RMS, WAAS enabled
Velocity: 0.1 m/s
Time: 1us synchronized to GPS time
Maximum Altitude
＜
18,000 meter
Maximum Velocity
＜
515 meter/second
Maximum Acceleration
＜
4G
Update Rate
1 Hz
DGPS
WAAS, EGNOS, MSAS
Datum WGS-84
Interface
I/O Pins
1 serial ports
Physical Characteristic
Type
13-pin stamp holes
Dimensions
28 mm * 20 mm * 2.9 mm
DC Characteristics
Power Supply
3.3Vdc
± 5%
Backup Voltage
2.0 ~ 3.6Vdc
± 10%
Power Consumption
Acquisition: 60mA
Tracking: 42mA
Environmental Range
Humidity Range
5% to 95% non-condensing
Operation Temperature
-3
0℃ to 85℃
Storage Temperature
-4
0℃ to 85℃
