UniTraQ International Corp.
RoHS compliance
2007, Version 1.1
2
Eastern Star 7 series GT-3731R
GPS Receiver
2. SPECIFICATIONS
Parameter Specification
Receiver Type
44 channels
Re-acquisition sensitivity
-155dBm
Tracking sensitivity
-158dBm
Cold start sensitivity
-137dBm
Receiver frequency
1575.42MHz
Code C/A
code
Accuracy
(1) Position
(2) Velocity
5m CEP
0.1m/sec
Startup Time
hot start
warm start
cold start
< 1 sec
< 35 sec
< 45 sec
Signal Reacquisition
<1s
Update Rate
1Hz
Operational Limits
(1) Altitude
(2) velocity
< 18,000m
< 500m/s
Dynamics
4G (39.2m/sec
2
)
Datum
WGS-84
Protocol
NMEA-0183 V3.01
Serial Interface
USB interface
Input Voltage
5V ±5%
Power Consumption
180mW
Connector
USB B-type 4P male connector with 1.8M cable
