User`s manual

USB Dongle Series Model:UD-731N
UniTraQ International Corp. RoHS compliance.
2011,01, Version 1.1
4
5. Specifications
5.1 Electronic Characteristics
Parameter Specification
Receiver Type 50 channels
Re-acquisition sensitivity -160dBm
Tracking sensitivity -160dBm
Cold start sensitivity -145dBm
Receiver frequency 1575.42MHz
Code C/A code
Accuracy
(1) Position
(2) Velocity
2.5m CEP
0.1m/sec
Startup Time
hot start
warm start
cold start
< 1 sec
29 sec
29 sec
Signal Reacquisition <1s
Max navigation update rate 4Hz
Operational Limits
(1) Altitude
(2) velocity
50000 m
500m/s
Dynamics
≦4G (39.2m/sec
2
)
Datum WGS-84
Protocol NMEA-0183 V2.3
Serial Interface USB interface
Input Voltage 5V ±5%
Power Consumption Tracking: 150 mA
Connector USB B-type 4P male
FLASH memory 2 or 4GB (optional)