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尺寸:16X12mm 国科GK9501S-QFN芯片 GPS&北斗双模

GT-1612U-GKBD


Features


  • Build on high performance, low-power

    GK9501 chip set

  • Ultra high Track sensitivity: -165dBm

  • Extremely fast TTFF at low signal level

  • Built in high gain LNA

  • Low power consumption: Max 40mA@3.3V

  • NMEA-0183 compliant protocol or custom

    protocol

  • Operating voltage: 2.8V to 4.3V

  • Operating temperature range:-40to85℃

  • SMD type with stamp holes

  • 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:  40mA @VCC=V_BCKP=3.3V

• Tracking:  35mA @VCC=V_BCKP=3.3V

• Standby:  2.0mA @VCC=V_BCKP=3.3V

• Backup:  15uA @V_BCKP=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 (Autonomous)

• Cold start :   35s  typ @-130dBm

• Warm start :   30s  typ @-130dBm

• Hot start :   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

• 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,GK proprietary  

   commands input 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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