4
Ø
Small, sleek, and lightweight design easily fits on your hand
Ø
Enhanced algorithms -SnapLock and SnapStart provide superior navigation,
performance in urban, canyon and foliage environments
。
Ø
For Car navigation, Marine navigation, Fleet management, AVL, Personal
navigation, Tracking System, and Mapping device application
。
3. SPECIFICATION
3.1.
Basic Specification
Ø
Chipset
：
SiRF Star III chipset
.
Ø
Channels
：
20 parallel satellite-tracking channels.
Ø
Frequency
：
1575.42 MHZ.
Ø
Receiver
：
L1, C/A code.
3.2.
Acquisition Time (averaged)
Ø
Reacquisition
：
0.1sec.
Ø
Cold start
：
< 42 seconds.
Ø
Warm start
：
< 38 seconds .
Ø
Hot start
：
< 1 seconds
Ø
Update rate
：
1 second continuously
3.3.
Receiver Accuracy
Ø
Normal
：
5-25 meters CEP without SA
Ø
Enable EGNOS or WAAS
：
n
Position < 2.2 meters, horizontal 95% of time
n
Position < 5 meters, Vertical 95% of time
Ø
Velocity
：
within 0.1 meters / second
Ø
Time
：
1 microsecond synchronized GPS time
3.4.
Use Limitation
Ø
Altitude
：
< 18,000 meters (60,000 feet)
Ø
Velocity
：
< 736 meters / second (1000Knots)
Ø
Acceleration
：
4G
Ø
Jerk
：
20 meters / second, max
