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尺寸:45X38mm 国科GK9501S芯片 GPS&北斗双模

GGM-4538-GKBD



Features


Build on high performance, low-power

           GK9501 chip set

Ultra high Track sensitivity: -165dBm

Built in high gain LNA

Low power consumption: Max 45mA@3.3V

NMEA-0183 compliant protocol or custom

           protocol

Operating voltage: 3.0V to 5.0V

Operating temperature range:-40to85℃

Patch Antenna Size: 25x25x4mm

Small form factor: 45x38x13.8mm

Communication type: UART/TTL

Wire interface type: DC4-Pin , L=150cm

RoHS compliant (Lead-free)




Parameter   

      Specification

Power Supply

• Supply voltage:  3.0V~5.0V  Typical: 3.3V

Power Consumption

• Acquisition:  45mA @VCC=VBAT=3.3V

• Tracking:  40mA @VCC=VBAT=3.3V

• Standby:  2.0mA @VCC=VBAT=3.3V

• Backup:  20uA @VBAT=3.3V

Receiver Type

• Code 66 search channels, 22 synchronous tracking channels

• GPS&QZSS L1 1575.42MHz C/A , Beidou B1 1561.098MHz

           SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

• Tracking:   -165dBm

• Re-acquisition:   -156dBm

• Acquisition:   -148dBm


TTFF (EASY disabled)

• Cold start(Autonomous):   35s  typ @-130dBm

• Warm start (Autonomous):   30s  typ @-130dBm

• Hot start (Autonomous):   1s  typ @-130dBm


Horizontal Position

Accuracy (Autonomous)

• <2.5m CEP @-130 dBm


Max Update Rate

• Up to 10Hz,1Hz by fault


Accuracy of 1PPS Signal

• not enabled


Acceleration Accuracy

• Without aid: 0.1m/s²


Dynamic Performance

• Maximum altitude: 18,000m

• Maximum velocity: 515m/s

• Acceleration: 4G


UART Port

• UART Port: TXD and RXD

• Supports baud rate from 4800bps to 115200bps, 9600bps by default

• UART port is used for NMEA output, GK proprietary

           commands input and firmware upgrade


Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -45°C ~ +125°C


Physical Characteristics

• Size: 45±0.50 × 38±0.50 ×13.8±0.50mm  

• Wire interface type: DC 4-Pin , L=150cm

• Weight: Approx.75g





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