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1: Introduction
AN-88 module features high sensitivity, low power, fast capturing satellite. The GPS module is powered, It consists of SiRF Star III chipset, it can provide you with superior sensitivity and performance. Especially, the module will show the outstanding advantages in receiving GPS signals in atrocious environment such as urban canyon, dense forest. The excellent performance makes that the module is the best choice to integrate into portable device like mobile phone, PDAs, camera and vehicle locators.
2: Product Features
l 20 parallel channels
l SiRF StarIII low power solution
l Extreme fast TTFF at low signal level
l NMEA-0183 compliant protocol/custom protocol.
l SBAS (WAAS, EGNOS and MSAS) support
l High sensitivity(open sky)£º-159 dBm
l Built-in LNA and SAWF
l 1 Hz position update rate
l 2 UART ports
l Antenna status(short/open/ok) detecting (optional)
l Built-in rechargeable backup battery (optional)
l SMD type with stamp holes
3: Product Applications
ü Automotive navigation
ü Track
ü Logistics management
ü Bluetooth GPS receiver
ü Personal positioning and navigation
ü Marine navigation
ü Timing application
4: GPS Receiver Key Parameters
AN-88 Key Parameters
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Chip Module
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SiRF Star III
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Frequency
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L1 1575.42MHz, C/A code
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Channels
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20
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Update rate
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1Hz
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Sensitivity
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Tracking -159dBm
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Capture -144dBm
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Acquisition Time
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Hot start (Open Sky) < 2s
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Hot start (Indoor) < 15s
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Cold Start (Open Sky) 38s (typical)
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Position Accuracy
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Autonomous < 10m (2D RMS)
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SBAS < 5m (2D RMS)
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Max. Altitude
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< 18,000 m
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Max. Velocity
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< 1,800 km/h
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Protocol Support
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NMEA 0183
ver 3.0
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NMEA 0183 ver 3.0, 4800 bps, 8 data bits, no parity, 1 stop bits (default),1Hz: GGA, GLL, GSA, RMC, Protocol VTG0;2Hz: GSV(1Hz GSV at 9600bps) Support
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SiRF Binary
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38400 bps, 8 data bits, no parity, 1 stop bits
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