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                您當前的位置:首頁 > 無線模組產品 > G-Mouse接收器

                尺寸:45X38mm MTK ROM版本芯片 GPS單模 RS232通訊方式

                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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