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尺寸:45X38mm 华大8020芯片 GPS&北斗双模

GGM-4538-HDBD

Features

n  Build on high performance, low-power

    CEC HuadaHD8020 chipset

n  Ultra high Track sensitivity:-163dBm

n  Extremely fastTTFF at low signal level

n  Built in highgain LNA

n  The built-insuper capacitor for backup

    ephemeris

n  Low powerconsumption: Max 60mA@3.3V

n  NMEA-0183compliant protocol or custom

    protocol

n  Operatingvoltage: 3.3V to 5.0V

n  Operating temperaturerange: -40to85℃

n  Patch AntennaSize:25x25x4mm

n  Small formfactor: 45x38x13mm

n  Communicationtype: UART/TTL

n  Wire interfacetype: Molex 4Pin , L=3750px

n  RoHS compliant(Lead-free)

Parameter

Specification

Power  Supply

         Supply voltage:  3.3V~5.0V   Typical: 3.3V

Power  Consumption

         Acquisition:  60mA @VCC=VBAT=3.3V

         Tracking:  45mA  @VCC=VBAT=3.3V

         Backup:  25uA  @VBAT=3.3V

Receiver  Type

         Code 72 search channels

         GPS&QZSS L1 1575.42MHz C/A , Beidou B1  1561.098MHz

    SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

         Tracking:   -163dBm

         Re-acquisition:   -156dBm

         Acquisition:   -146dBm

TTFF  (Autonomous)

         Cold start:  35s  typ @-130dBm

         Warm start:  30s  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

         Supports baud rate  from 4800bps to 115200bps, 9600bps by default

         UART port is used for  NMEAoutput

Temperature Range

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

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

Physical Characteristics

         Size: 45±0.20 × 38±0.20 ×13±0.50mm

         Connecting line specifications: molex 4pin, L=3750px

         Weight: Approx.20g


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