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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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