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尺寸:16X12mm 国科GK9501S芯片 GPS&GLONASS双模

GT-1612-GKGN

Features

n  Build on high performance,low-power

   GK9501 chip set

n  Ultra high Track sensitivity:-165dBm

n  Extremely fast TTFF at lowsignal level

n  Built in high gain LNA

n  Low power consumption: Max45mA@3.3V

n  NMEA-0183 compliantprotocol or custom

   protocol

n  Operating voltage: 2.8V to4.3V

n  Operating temperaturerange:-40to85℃

n  SMD type with stamp holes

n  Small form factor:16x12x2.6mm

RoHS compliant (Lead-free)

Parameter

Specification

Power Supply

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

Power Consumption

         Acquisition:  45mA @VCC=V_BCKP=3.3V

         Tracking:  40mA  @VCC=V_BCKP=3.3V

         Standby:  2.0mA  @VCC=V_BCKP=3.3V

         Backup:  20uA  @V_BCKP=3.3V

Receiver Type

         Code 66 search channels, 22 synchronous tracking  channels

         GPS&&QZSS L1 1575.42MHz C/A , GLONASS L1OF 1602MHz

    SBAS: WAAS, EGNOS, MSAS, GAGAN

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  NMEAoutput,GK 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 × 12±0.15 ×2.6±0.1mm

         Weight: Approx. 0.92g



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