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尺寸:18X18mm 国科GK9501S芯片 GPS单模 带电池

GAM-1818B-GK

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: 3.3V to5.5V

n  Operating temperaturerange:-40to85℃

n PatchAntenna Size: 18x18x2mm

n  Module Size: 19.2x18.2x5.45mm

n  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

         Standby:  1.0mA  @VCC=VBAT=3.3V

         Backup:  15uA  @VBAT=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 (Autonomous)

         Cold start:    15s  typ @-130dBm

         Warm start :    12s  typ @-130dBm

         Hot start :    1s  typ @-130dBm


HorizontalPosition

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 is used for  NMEA output, GuoKe proprietary

    commandsinput


Temperature Range

         Normal operation: -40°C ~ +85°C

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


Physical Characteristics

         Size: 19.2±0.20×18.2±0.20×5.45±0.20mm

         Weight: Approx. 7.6g



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