Holux 236b Manual Do Utilizador
HOLUX
GPSlim236B Wireless Bluetooth GPS Receiver Manual
6
4. Technical Specification
4.1. Basic Specification
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Chipset：
SiRF Star III chipset
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Channels： 20 parallel satellite-tracking channels.
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Frequency： 1575.42 MHZ.
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Receiver： L1, C/A code.
4.2. Acquisition Time (averaged)
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Reacquisition： 0.1sec.
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Cold start： < 42 seconds.
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Warm start：< 38 seconds .
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Hot start： < 1 seconds
4.3. Receiver Accuracy
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Normal： 5-25 meters CEP without SA.
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Enable EGNOS or WAAS：
Position: < 2.2 meters, horizontal 95% of time
< 5 meters, Vertical 95% of time
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Velocity： within 0.1 meters / second
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Time： 1 microsecond synchronized GPS time
4.4. Use Limitation
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Altitude： < 18,000 meters (60,000 feet)
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Velocity: ：< 736 meters/ second (1000Knots)
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Acceleration： 4 G.
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Jerk： 20 meters / second, max
4.5. Power Supply
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External Voltage: 5VDC +/- 10%
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Batteries：
Main Power: Built-in rechargeable Lithium-ion for system power.
Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup.
Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup.
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Working voltage: 75-85mA (Normal mode).
30mA (Power Saving).
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Working period (In Battery full power status):
> 10 hours on Continue mode.
> 16 hours on Power Saving mode.
> 16 hours on Power Saving mode.
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Protection circuit on
should stop charging the cell when
over-temperature condition --50 occurs.