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尺寸:45X38mm 国科GK9501S芯片 GPS单模

GGM-4538-GK

Features

n  Build on high performance, low-power

     GK9501chipset

n  Ultra high Tracksensitivity: -165dBm

n  Extremely fastTTFF at low signal level

n  Built in highgain LNA

n  The built-insuper capacitor for backup

    ephemeris

n  Low powerconsumption: Max 45mA@3.3V

n  NMEA-0183compliant protocol or custom

    protocol

n  Operatingvoltage: 3.0V to 5.0V

n  Operatingtemperature range: -40to85℃

n  Patch AntennaSize:25x25x4mm

n  Small formfactor: 45x38x13mm

n  Communicationtype: UART/TTL

n  Wire interfacetype: XH2.0mm spacing terminal, 4Pin, L=5000px

n  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

         Backup:  15uA  @VBAT=3.3V

Receiver Type

         Code 66 search channels, 22 synchronous tracking  channels

GPS&QZSS L1  1575.42MHz C/A

Sensitivity

         Tracking:   -165dBm

         Re-acquisition:   -156dBm

         Acquisition:   -146dBm

TTFF (Auto In Flash)

         Cold start:  15s   typ @-130dBm

         Warm start:  10s   typ @-130dBm

         Hot start:  1s   typ @-130dBm

HorizontalPosition

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

    commandsinput and firmware upgrade

Temperature Range

         Normal  operation: -40°C ~ +85°C

         Storage  temperature: -45°C ~ +125°C

Physical  Characteristics

         Size:  45±0.20×38±0.20×13±0.50mm

         Connecting  line specifications:XH2.0mm spacing terminal, 4Pin, L=200cm

         Weight:  Approx.20g


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