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尺寸:28X22mm 国科GK9501S芯片 GPS﹠北斗双模

GAM-2822-GKBD


Features

  • Build on high performance, low-power

    GK9501 chip set

  • Ultra high sensitivity: -165dBm

  • Extremely fast TTFF at low signal level

  • Built in high gain LNA

  • Low power consumption:Max 45mA@3.3V

  • NMEA-0183 compliant protocol or custom

        protocol

  • Operating voltage: 3.3V~5.0V

  • Operating temperature range:-40to85℃

  • Patch Antenna Size: 18.4x18.4x4mm

  • Module Size: 28x22x7.2mm

  • Communication type: UART/TTL

  • RoHS compliant (Lead-free)



Parameter

Specification

Power Supply

• Supply voltage:  3.3V~5.5V  Typical: 3.3V

Power Consumption

• Acquisition:  45mA @VCC=VBAT=3.3V

• Tracking:  40mA @VCC=VBAT=3.3V

• Backup:  20uA @VBAT=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:   -147dBm

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

Update Rate

• 1Hz

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 for NMEA output, binary or GK proper Agreement           input

Temperature Range

• Normal operation:  -40°C ~ +85°C

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

Physical Characteristics

• Size: 28±0.20 ×22±0.20 ×7.2±0.20mm

• Weight: Approx. 8.6g


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