Waveshare L76X GPS HAT, Руководство пользователя

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L76X GPS HAT User Manual
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L76X GPS HAT
User Manual
OVERVIEW
This is a Raspberry Pi GNSS HAT which supports Multi-GNSS systems: GPS, BDS, and QZSS, with
advantages such as fast positioning, high accuracy, low power consumption, and so on.
It is an easy way to enable global positioning function for your Raspberry Pi.
FEATURES
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Supports Multi-GNSS systems: GPS, BDS, and QZSS
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EASY™, self track prediction technology, help quick positioning
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AlwaysLocate™, intelligent controller of periodic mode for power saving
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Supports DGPS, SBAS (WAAS/EGNOS/MSAS/GAGAN)
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UART communication baudrate: 4800~115200bps (9600bps by default)
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Onboard battery holder, supports ML1220 rechargeable battery, for preserving ephemeris
information and hot starts
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4x LEDs for indicating the module working status
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Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
SPCIFICATIONS
GPS SPECIFICIATIONS
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Band: GPS L1(1575.42Mhz), BD2 B1 (1561.098MHz)
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Channels: 33 tracking ch, 99 acquisition ch, 210 PRN ch
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C/A code
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SBA: WAAS, EGNOS, MSAS, GAGAN
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Horizontal position accuracy:
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Autonomous: <2.5mCEP
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Time-To-First-Fix @- 130dBm (EASY™ enabled):
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Cold starts: <15s
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Warm starts: <5s
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Hot starts: <1s
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Sensitivity:
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Acquisition: -148dBm
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Tracking: -163dBm
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Re-acquisition: -160dBm