請問大傢,我買暸個HAicom的hi-204s,但是很多時候就收到4~5個星,正常嗎?通常收幾個星的?謝謝!
Hi-204S的數據:
GPS Technology SiRF Star IIe chip set
Interface Mini-DIN PS/II to PDA plug
Output NMEA-0183 v2.20 protocol @ 4800/9600 baud rate, 8-None-1, and supports command: GGA,GSA,GSV,RMC,VTG,GLL
Hot Start Less than 8 sec.
Warm Start Less than 38 sec. average
Cold Start Less than 48 sec. average
Reacquisition < 100msec
Acceleration Limit Less than 18,000m
Altitude Limit 100ms
Accuracy Position: 25m CEP without SA, Velocity: 0.1/sec without SA
Dimension 69mm x 73mm x 20mm (W x L x H)/td>
Power Consumption 80 mA @ 3.3V, Trickle power: 27mA
Storage Temperature -55°~90°C
Operation Temperature -20°~75°C
Humidity Up to 95% non-Condensing
Channles 12 channel
Sensitivity -165 dBW minimum
Update Rate 1 Hz
Antenna On-Board Patch Antenna
