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尺寸:18X18mm MTK ROM版本芯片 GPS单模

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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