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尺寸:18X18mm 國科GK9501S芯片 GPS單模

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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