PMB 288 688 Specification V01

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PMB-688 GPS module
PMB-688 FEATURES
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Built-in SiRFstarIII chipsets receivers give unparalleled GPS performance and precision.20 parallel
satellite-tracking channels for fast acquisition and reacquisition.

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Built-in WAAS /EGNOS Demodulator.

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Low power consumption and ultra mini size only 33x39mm.

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Built-in rechargeable battery for backup memory and RTC backup.

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Support NMEA0183 v2.2 data protocol.

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Enhanced algorithms providing superior navigation performance in urban, canyon and foliage
environments.

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For Car Navigation, Marine Navigation, Fleet Management, AVL and Location-Based Services,
Auto Pilot, Personal Navigation or touring devices, Tracking devices/systems and Mapping devices
application.

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Include RF MMCX connector(Optional: Active Antenna)

PMB-688 Specifications
GPS

IC

SiRFstar III

Receiver:

Tracking up to 20 satellites L1, 1575.42 MHz, C/A code

Accuracy:

Position: 2DRMS approximately 5m, WAAS support
Velocity: 0.1 m/s without SA imposed.
Time:

±1μsec

Acquisition Time: Cold Start:

42sec (Average)

Warm Start:

38sec (Average)

Hot Start:
Sensitivity:
Dynamics:

1sec (Min.)

Acquisition:

-148dBm

Tracking:

-159 dBm

Altitude:

18000m (Max.)

Velocity:

515m/s (Max. )

Acceleration:

±4g (Max.)

Navigation update Once per second
rate :
Serial Port

:

Baud Rate :

TTL
4800 bps (Optional 9600,19300,38400 bps)

Output Message: NMEA0183 V2.2 GGA, GSV, GSA, RMC (optional VTG, GLL)
Datum:

WGS 84

Power supply :

DC 3.3V ~ 5V

Power

Typical 65mA @12V

Consumption :
LED Function

Power on/off and Navigation

Operating Temp.: -20℃~+70℃
Storage Temp.:

-30℃~+85℃

Humidity:

5%~95%

Antenna Type:

Built-in patch antenna

RF Connector:

MMCX type (Optional : Active Antenna)



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