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尺寸:18X18mm 国科GK9501S芯片 GPS单模

GAM-1818-GK

Features

  • Ultra high Track sensitivity:-165dBm

  • Extremely fast TTFF at low signallevel

  • Built in high gainLNA

  • Low power consumption: Max28mA@3.3V

  • NMEA-0183 compliantprotocol or custom protocol

  • Operating voltage: 3.0V to5.0V

  • Operating temperaturerange:-40to85

  • Patch Antenna Size:18x18x4mm

  • Module Size:18.1x18.1x6.41mm

  • Communication type: UART/TTL

  • RoHS compliant(Lead-free)

Parameter

Specification

Power Supply

         Supply voltage:  2.8V~4.3V   Typical: 3.3V

Power Consumption

         Acquisition:  25mA @VCC=V_BCKP=3.3V

         Tracking:  20mA  @VCC=V_BCKP=3.3V

         Standby:  1.0mA  @VCC=V_BCKP=3.3V

         Backup:  7uA  @V_BCKP=3.3V

Receiver Type

         Code 66 search channels, GPS&QZSS L1  1575.42MHz C/A

         22 simultan ous tracking channels

Sensitivity

         Tracking:    -165dBm

         Re-acquisition:   -156dBm

         Acquisition:    -148dBm


TTFF (EASY enabled)

         Cold start:    15s  typ @-130dBm

         Warm start:    5s  typ @-130dBm

         Hot start :    1s  typ @-130dBm


TTFF (EASY disabled)

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

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

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


HorizontalPosition

Accuracy (Autonomous)

         <2.5m CEP @-130 dBm


Max Update Rate

         Up to 10Hz,1Hz by  fault


Accuracy of 1PPS Signal

         Typical accuracy: ±10ns

         Time pulse width 100ms


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, MTK proprietary

    commandsinput and firmware upgrade


Temperature Range

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

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


Physical Characteristics

         Size: 16±0.15 × 16±0.15 × 6.9±0.1mm

         Weight: Approx. 6.0g



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