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                您當前◆的位置:首頁 > 無線模組產品 > GNSS模組(天線一體化)

                尺寸:18X18mm MTK ROM版本芯片 GPS單模

                GAM-1818-MTR



                Features

                •    Build on high performance, low-power

                     MediaTek MT3337 chip set

                •    Ultra high Track sensitivity: -165dBm

                •    Extremely fast TTFF at low signal level

                •    Built in high gain LNA

                •    Low power consumption: Max 28mA@3.3V

                •    NMEA-0183 compliant protocol or custom

                     protocol

                •   Operating voltage: 2.8V to 4.3V

                •   Operating temperature range:-40to85℃

                •   Patch Antenna Size: 18x18x4mm

                •   Module Size: 18.1x18.2x6.81mm

                •   Communication type: UART/TTL

                •   RoHS compliant (Lead-free)




                Parameter

                Specification

                Power Supply

                ?         Supply voltage:  2.8V~4.3V   Typical: 3.3V

                Power Consumption

                ?         Acquisition:  28mA @VCC=VBAT=3.3V

                ?         Tracking:  20mA  @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:    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 and  RXD

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

                ?         UART port is used for  NMEA output, MTK proprietary command sinput


                Temperature Range

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

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


                Physical Characteristics

                ?         Size: 18.1±0.30×18.2±0.30×6.81±0.50mm

                ?         Weight: Approx. 7.6g



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