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尺寸:28X22mm 國科GK9501S芯片 GPS﹠北斗雙模

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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