2
SkyTraq Technology, Inc.
Preliminary Draft www.skytraq.com.tw
TECHNICAL SPECIFICATIONS
Receiver Type
L1 frequency, 230-channel Phoenix engine
Supported Satellites
GPS, Beidou, Galileo, GLONASS, QZSS
Augmentation System
QZSS, WAAS, EGNOS, MSAS, GAGAN
Accuracy
Position
2.0m CEP
Velocity
0.1m/sec
Time
10ns
Startup Time
1 / 28 / 29 second hot / warm / cold start under open sky average
Reacquisition
1s
Sensitivity
-148dBm cold-start*
-160dBm re-acquisition*
-165dBm tracking*
Multi-path Mitigation
Advanced multi-path detection and suppression
A-GPS
Server-based AGPS
Update Rate
1 / 2 / 4 / 5 / 8 / 10 / 20 / 25 Hz (default 1Hz)
Dynamics
4G (39.2m/sec
2
)
Operational Limits
Altitude < 80,000m and velocity < 515m/s
Serial Interface
3.3V LVTTL level
Protocol
NMEA-0183 V4.1, SkyTraq binary, 115200 baud, 8, N, 1
Datum
Default WGS-84, User definable
Input Voltage
3.3V DC +/-10%
Current Consumption
Acquisition 75mA @ 3.3V, Tracking 65mA @ 3.3V
Dimension
10.1mm L x 9.7mm W x 2.9mm H
Weight:
1g
Operating Temperature
-40
o
C ~ +85
o
C
Storage Temperature
-55 ~ +100
o
C
Humidity
5% ~ 95%
* used with good quality external LNA