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                尺寸:45X38mm 國科GK9501S芯片 GPS﹠GLONASS雙模

                GRM-4538-GKGN

                Features

                Build on high performance, low-power 

                      GK9501chip set

                Ultra high sensitivity: -165dBm

                Built in high gain LNA

                Low power consumption:Max45mA@3.3V

                NMEA-0183 compliant protocol

                Operating voltage: 3.3V--5.5V

                Operating temperature range:-40to85℃

                Patch Antenna Size: 25x25x4mm

                Small form factor: 45x38x13.8mm

                Communication type: UART/TTL

                Wire interface type: 4-pin Micro TCA L=300cm

                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 , GLONASS L1OF 1602MHz, 

                   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)

                Dynamic: < 10m CEP @-130 dBm

                Static state: < 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_ TXD and RS232_RXD

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

                   default

                UART port is used for NMEA output, GK proprietary commands

                   input and firmware upgrade

                Temperature Range

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

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

                Physical Characteristics

                Size: 45±0.50 × 38±0.50 ×13.8±0.50mm  

                Wire interface type: DC 4-Pin , L=300cm

                Weight: Approx.80g



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