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                尺寸:16X12mm MTK AG3331芯片 GPS﹠北鬥雙模




                Build on high performance, low-power

                      MediaTek AG3331chip set

                Ultra high Track sensitivity: -165dBm

                Extremely fast TTFF at low signal level

                Built in high gain LNA

                Low power consumption: Max45mA@3.3V

                NMEA-0183 compliant protocol or custom


                Operating voltage: 2.8V to 4.3V

                Operating temperature range:-40to85℃

                SMD type with stamp holes

                Small form factor: 16x12x2.6mm

                RoHS compliant (Lead-free)



                Power Supply

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

                Power Consumption

                Acquisition:  45mA @VCC=V_BCKP=3.3V

                Tracking:  30mA @VCC=V_BCKP=3.3V

                Standby:  2.0mA @VCC=V_BCKP=3.3V

                Backup:  15uA @V_BCKP=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


                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

                Horizontal Position

                Accuracy (Autonomous)

                <2.5m CEP @-130 dBm

                Max Update Rate

                Up to 10Hz,1Hz by fault

                Accuracy of 1PPS Signal

                Typical accuracy: ±10ns

                Time pulse width 100ms

                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  

                   commands input and firmware upgrade

                Temperature Range

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

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

                Physical Characteristics

                Size: 16±0.15 × 12±0.15 × 2.6±0.1mm

                Weight: Approx. 0.92g