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尺寸:45X38mm MTK ROM版本芯片 GPS单模 RS232通讯方式

GRM-4538-MTR

Features

n  Build on high performance, low-power

    MediaTek MT3337 chipset

n  Ultra high Track sensitivity:-165dBm

n  Extremely fastTTFF at low signal level

n  Built in highgain LNA

n  The built-insuper capacitor for backup

    ephemeris

n  Low powerconsumption: Max 35mA@5.0V

n  NMEA-0183compliant protocol

n  Operatingvoltage: 3.3V to 5.5V

n  Operatingtemperature range: -40to85℃

n  Patch AntennaSize:25x25x4mm

n  Small formfactor: 45x38x13mm

n  Communicationtype: RS232

n  Wire interfacetype: Molex 4Pin , L=7500px

n  RoHS compliant(Lead-free)

Parameter

Specification

Power Supply

         Supply voltage:  3.3V~5.5V   Typical: 5.0V

Power Consumption

         Acquisition:  35mA @VCC=VBAT=5.0V

         Tracking:  30mA  @VCC=VBAT=5.0V

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:   -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

RS232 Port

         RS232 Port: RS232_TX and RS232_RXD

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

         RS232 port is used for  NMEA output, MTK proprietary

    commandsinput.

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=7500px

         Weight:  Approx.28g


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