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                您當前的位置:首頁 > 無線模組產品 > GNSS模塊

                尺寸:11X8mm MTK FLASH版本芯片 GPS單模

                GT-1108-MT

                Features


                n  Build on high performance, low-power

                           MediaTek MT3339 chip set

                n  Ultra high Track sensitivity: -165dBm

                n  Extremely fast TTFF at low signal level

                n  Built in high gain LNA

                n  Low power consumption: Max 28mA@3.3V

                n  NMEA-0183 compliant protocol or custom

                         protocol

                n  Operating voltage: 2.8V to 4.3V

                n  Operating temperature range:-40to85℃

                n  SMD type with stamp holes

                n  Small form factor: 11.4x8.8x2.0mm

                n  RoHS compliant (Lead-free)



                Parameter

                Specification

                Power Supply

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

                Power Consumption

                (General firmware)

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

                ?         Tracking:  20mA  @VCC=VBAT=3.3V

                ?         Backup:  12uA  @VBAT=3.3V

                Power Consumption

                (Low power firmware)

                ?         Acquisition:  20mA @VCC=VBAT=3.3V

                ?         Tracking:  5~15mA  @VCC=VBAT=3.3V

                ?         Backup:  12uA  @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 (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

                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; General mode defaults     

                            to 9600bps, Low power  mode defaults to 115200bps

                ?         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: 11.4±0.15 ×8.8±0.15 ×2.0±0.1mm

                ?         Weight: Approx. 0.41g


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