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尺寸:55X46mm MTK FALSH芯片 GPS单模

GGM-5546-MT

Features

Build on high performance, low-power

            MediaTek MT3339 chipset

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: 55x46x14.5mm

Communication type: UART/TTL

Wire interface type: 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 (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

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 

Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -45°C ~ +125°C

Physical Characteristics

• Size: 55±0.20 × 46±0.20 ×14.5±0.50mm

• Connecting line specifications: L=300CM

• Weight: Approx.80g


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