User manual

USB Dongle Series Model:UD-731R
UniTraQ International Corp. RoHS compliance.
2010,08, Version 1.0
4
5. Specifications
5.1 Electronic Characteristics
Parameter Specification
Receiver Type 44 channels
Re-acquisition sensitivity -155dBm
Tracking sensitivity -158dBm
Cold start sensitivity -135dBm
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