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stranica pogledana 2669 puta artikl unesen: 28.03.2008zadnja izmjena: 09.04.2009 HI-408 BT
proizvođač: Haicom
    Introductions HI-408BT Bluetooth GPS receiver provides you with best accuracy and highest sensitivity. HI-408BT is a 32 channel Bluetooth GPS receiver with -158dBm highsensitivity and has up to 25 hours of navigation time. | Technical specification |  Chipset | MT 3318f +6601
GPS single +Bluetooth Chipset | | | General | Frequency : L1,1575.42MHz
C/A code : 1.023MHz Chip rate
Channels : 14/32 | | | Accuracy | Position :
3meters,2D RMS
2.5meters,2D,RMS WAAS corrected <
2.5meters（50%）
Velocity : 0.1meters/second
Time : 1microsecond synchronized to GPS time
| | | Datum | Default : WGS-84
Other : selectable for other Datum | | | Time to First Fix (TTFF) | Reacquisition : 0.1sec.,average | | Open Sky & Stationary
Requirements | Hot start : 1sec.,average typical TTFF
Warm start : 36sec.,average typical TTFF
Coid Start : 38 sec.,average typical TTFF | | | Dynamic | Altitude : 18,000meters(60,000feet) max.
Velocity : 515meter/second(1000 knots) max.
Acceleration : 4g, max
Jerk : 20 meter/second3, max. | | | Power | Main power input : DC 5.0V
Operation hours : 10 hours in continuous mode
Battery : 670mA Built-in Li-polymer battery | | | Serial Port | Electrical interface : UARTS
Plotocol messages : NMEA-0183V3.01
@115200bps (defult) | | |
Software
| | Core of firmware | MTK | | | Boud rate | 115200bps | | | Cord type | NMEA-0183 ASCII | | | Datum | WGS-84 | | | Protocol message | GGA(1sec),GSA(5sec)、GSV(5sec),RMC(1sec),VTG(1sec) | | | Output frequency | 1Hz(default) | |
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