Multi-mode and Multi-frequency Satellite Positioning Chip GK9701

Product Features

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Product parameters

Function

Support Beidou/GPS/GLONASS/GALILEO/IRNSS/QZSS/SBAS

Multi-system joint positioning and single system independent positioning

With 144 channels, supports all visible satellites to improve accuracy and stability of positioning and timing

Support L1+L2 or L1+L5 dual-frequency joint positioning and anti-interference

Support D-GNSS

Support A-GNSS

Support ephemeris prediction

Support DR integrated navigation applications

Support PPS output with PPS accuracy < 5ns

Built-in anti-spoofing algorithm to enhance system security

Built-in Receiver autonomous integrity monitoring (RAIM) technology

Support HD positioning with real-time RTK positioning accuracy of 2cm

Peripheral interfaces

UART/SPI/GPIO/I2C

Physical specification

LGA package: size 5.0 mm x 5.0 mm, 40 pin, 0.4mm pitch


Item

Index

Typical value

Unit

Positioning time

Cold boot

25

s

Warm boot

<1

s

Recapture

<1

s

A-GNSS

<10

s

Sensitivity

Cold boot

-148

dBm

Warm boot

-162

dBm

Recapture

-164

dBm

Tracking

-166

dBm

Accuracy

Horizontal positioning accuracy

0.8

m

Altitude positioning accuracy

1.5

m

RTK positioning accuracy

2

cm

Speed accuracy

0.1

m/s

Power consumption

Timing accuracy

5

ns

Tracking mode

45

mA

*Parameters are for reference only

Main Applications

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High precisdion of positioning,navigation and aided driving

High precisdion of timing for electricpower industry, base station, etc.

Applications in industries such assafety monitoring, measurement and mapping, precision agriculture, etc.

Equipments in industries which requirenavigation/positioning/timing

Unmanned aerial vehicle/drone

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