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尺寸:11X8mm MTK FLASH版本芯片 GPS单模

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 lowsignal level

n  Built in high gain LNA

n  Low power consumption: 5~28mA@3.3V

n  NMEA-0183 compliantprotocol

n  Operating voltage: 2.8V to4.3V

n  Operating temperaturerange:-40to85℃

n  SMD type with stamp holes

n  Small form factor: 11.4x8.8x1.9mm

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 ×1.9±0.1mm

         Weight: Approx. 0.41g


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