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尺寸:25X25mm 国科GK9501S芯片 GPS﹠北斗双模

GAM-2525-GKBD

Features

Build on high performance, low-power GK9501 chip set

Ultra high sensitivity: -165dBm

Built in high gain LNA

Low power consumption:Max45mA@3.3V

NMEA-0183 compliant protocol

Operating voltage: 3.3V--5.5V

Operating temperature range:-40to85℃

Patch Antenna Size: 25x25x4mm

Module Size: 25.5x25.5x8.8mm

Communication typeUART/TTL

RoHS compliant (Lead-free)


Parameter

Specification

Power Supply

Supply voltage:  3.3V~5.5V  Typical: 3.3V

Power Consumption

Acquisition:  45mA @VCC=VBAT=3.3V

Tracking:  40mA @VCC=VBAT=3.3V

Backup:  20uA @VBAT=3.3V

Receiver Type

Code 66 search channels ,22 synchronous tracking channels

GPS&QZSS L1 1575.42MHz C/A , Beidou B1 1561.098MHz 

    SBAS: WAAS, EGNOS, MSAS, GAGAN

Sensitivity

Tracking:   -165dBm

Re-acquisition:   -156dBm

Acquisition:   -147dBm

TTFF (Autonomous)

Cold start:   35s  typ @-130dBm

Warm start:   30s  typ @-130dBm

Hot start:   1s   typ @-130dBm

Horizontal Position

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 for NMEA output, binary or GK proper Agreementinput

Temperature Range

Normal operation:  -40°C ~ +85°C

Storage temperature:  -45°C ~ +125°C

Physical Characteristics

Size:  25.5±0.50 ×25.5±0.50 ×8.8±0.20mm

Weight:  Approx. 7.5g


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