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stranica pogledana 3197 puta artikl unesen: 28.03.2008zadnja izmjena: 02.01.2012 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.
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Technical specification
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 Chipset |
MT 3318f +6601
GPS single +Bluetooth Chipset |
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| General |
Frequency : L1,1575.42MHz
C/A code : 1.023MHz Chip rate
Channels : 14/32 |
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| Accuracy |
Position :
3meters,2D RMS
2.5meters,2D,RMS WAAS corrected <
2.5meters（50%）
Velocity : 0.1meters/second
Time : 1microsecond synchronized to GPS time
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| Datum |
Default : WGS-84
Other : selectable for other Datum |
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| Time to First Fix (TTFF) |
Reacquisition : 0.1sec.,average |
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Open Sky & Stationary
Requirements |
Hot start : 1sec.,average typical TTFF
Warm start : 36sec.,average typical TTFF
Coid Start : 38 sec.,average typical TTFF |
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| Dynamic |
Altitude : 18,000meters(60,000feet) max.
Velocity : 515meter/second(1000 knots) max.
Acceleration : 4g, max
Jerk : 20 meter/second3, max. |
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| Power |
Main power input : DC 5.0V
Operation hours : 10 hours in continuous mode
Battery : 670mA Built-in Li-polymer battery |
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| Serial Port |
Electrical interface : UARTS
Plotocol messages : NMEA-0183V3.01
@115200bps (defult) |
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Software
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| Core of firmware |
MTK |
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| Boud rate |
115200bps |
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| Cord type |
NMEA-0183 ASCII |
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| Datum |
WGS-84 |
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| Protocol message |
GGA(1sec),GSA(5sec)、GSV(5sec),RMC(1sec),VTG(1sec) |
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| Output frequency |
1Hz(default) |
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