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HOLUX GR-230 Bluetooth GPS Receiver Manual
6
4. Technical Specification
4.1. Basic Specification
Chipset：
SiRF Star IIe/LP chipset
.
Channels： 12 parallel satellite-tracking channels.
Frequency： 1575.42 MHZ.
Receiver： L1, C/A code.
4.2. Acquisition Time (averaged)
Reacquisition： 0.1sec.
Snap start： < 3 seconds (at < 25 minutes off period)
Cold start： < 45 seconds.
Warm start：< 38 seconds .
Hot start： < 8 seconds
Update rate： 1 second continuously
4.3. Receiver Accuracy
Normal： 5-25 meters CEP without SA.
Enable EGNOS or WAAS：
Position: < 2.2 meters, horizontal 95% of time。
< 5 meters, Vertical 95% of time。
Velocity： within 0.1 meters / second。
Time： 1 microsecond synchronized GPS time。
4.4. Use Limitation
Altitude： < 18,000 meters (60,000 feet) 。
Velocity: ：< 515 meters / second (700Knots) 。
Acceleration： 4 G.
Jerk： 20 meters / second, max
4.5. Power Supply
External Voltage: 5VDC +/- 10%
Batteries：
Main Power: Built-in rechargeable Lithium-ion for system power.
Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup.
Working voltage: 80-90mA (Normal mode).
30mA (Power Saving).
Working period (In Battery full power status):
> 9 hours on Continue mode.
> 16 hours on Power Saving mode.