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尺寸:45X38mm MTK ROM版本芯片 GPS单模

GGM-4538-MTR

Features

Build on high performance, low-power MediaTek MT3337 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: 45x38x13.8mm

Communication type: UART/TTL

Wire interface type: 3Pin, L=50cm

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:   -146dBm

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

?         baud rate:  9600bps

?         UART port is used for  NMEAoutput

Temperature Range

?         Normal  operation: -40°C ~ +85°C

?         Storage  temperature: -45°C ~ +125°C

Physical  Characteristics

?         Size: 45±0.50 × 38±0.50 ×13.8±0.50mm

?         Connecting  line specifications:  3Pin, L=500mm

?         Weight:  Approx.32g


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