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                尺寸:18X18mm MTK芯片 GPS&北鬥雙模

                GAM-1818-MTBD


                Features

                n  Build on high performance,low-power

                          MediaTek MT3333 chip set

                n  Ultra high Track sensitivity: -165dBm

                n  Extremely fast TTFF at lowsignal level

                n  Built in high gain LNA

                n  Low power consumption: Max45mA@3.3V

                n  NMEA-0183 compliantprotocol or custom

                          protocol

                n  Operating voltage: 2.8V to4.3V

                n  Operating temperaturerange:-40to85℃

                n  PatchAntenna Size: 18x18x2mm

                n  Module Size: 18.1x18.1x4.41mm

                n  Communication type: UART/TTL

                n  RoHS compliant (Lead-free)


                Parameter

                Specification

                Power Supply

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

                Power Consumption

                ?         Acquisition:  45mA @VCC=VBAT=3.3V

                ?         Tracking:  40mA  @VCC=VBAT=3.3V

                ?         Standby:  2.0mA  @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 , Beidou B1  1561.098MHz

                    SBAS: WAAS, EGNOS, MSAS, GAGAN

                Sensitivity

                ?         Tracking:    -165dBm

                ?         Re-acquisition:   -156dBm

                ?         Acquisition:    -148dBm


                TTFF (EASY enabled)

                ?         Cold start:    15s  typ @-130dBm

                ?         Warm start:    5s  typ @-130dBm

                ?         Hot start :    1s  typ @-130dBm


                TTFF (EASY disabled)

                ?         Cold start(Autonomous):   35s   typ @-130dBm

                ?         Warm start (Autonomous):   30s   typ @-130dBm

                ?         Hot start (Autonomous):   1s   typ @-130dBm


                HorizontalPosition

                Accuracy (Autonomous)

                ?         <2.5m CEP @-130 dBm


                Max Update Rate

                ?         Up to 10Hz,1Hz by  fault


                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

                    commandsinput and firmware upgrade


                Temperature Range

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

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


                Physical Characteristics

                ?         Size: 18.1±0.20×18.1±0.20×4.41±0.20mm

                ?         Weight: Approx. 7.6g



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