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尺寸:45X38mm MTK FLASH版本芯片 GPS单模

GGM-4538-MT

Features

Build on high performance, low-power

           MediaTek MT3339Flashchipset

Ultra high Track sensitivity: -165dBm

Extremely fast TTFF at low signal level

Built in high gain LNA

The built-in super capacitor for backup ephemeris

Low power consumption: Max 28mA@3.3V

NMEA-0183 compliant protocol or custom protocol

Operating voltage: 3.0V to 5.0V

Operating temperature range: -40to85℃

Patch Antenna Size:25x25x4mm

Small form factor: 45x38x14.3mm

Communication type: UART/TTL

Wire interface type: Audio head 4Pin, L=300cm

RoHS compliant (Lead-free)



Parameter

       Specification

Power Supply

• Supply voltage:  3.0V~5.0V  Typical: 3.3V

Power Consumption

• Acquisition:  28mA @VCC=VBAT=3.3V

• Tracking:  20mA @VCC=VBAT=3.3V

• Backup:  7uA @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:   -147dBm

TTFF (Autonomous)

• Cold start:  10~15s  typ @-130dBm

• Warm start:  10s  typ @-130dBm

• Hot start:  1s  typ @-130dBm

Horizontal Position

Accuracy (Autonomous)

• <2.5m CEP @-130 dBm

Update Rate

• 1Hz

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

• baud rate:  9600bps

• UART port is used for NMEA output, MTK proprietary

           commands input. 

Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -45°C ~ +125°C

Physical Characteristics

• Size: 45±0.50 × 38±0.50 ×14.3±0.50mm

• Connecting line specifications: Audio head 4Pin, L=7500px

• Weight: Approx 75g.



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