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Holux  GR-87


Holux GR-87

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SKU: Holux GR-87


* Holux GR-87 GPS Module Appearance

* Holux GR-87 GPS Module Datasheet and specifications

* GR-87 GPS Module applications

* Download GR-87 use guide/manual

* Buy Holux GR-87 accessories


Holux GR-87 GPS Module

Holux GR-87 GPS Module Specifications
Brand Holux
Model GR-87
Type GPS Module
Shape Tablet


GPS technology

SiRF GSC3f GPS chipset

Frequency L1,1575.42 MHz
C/A Code
1.023 MHz chip rate
20 channels all in view Tracking
Level CMOS 3V
Pulse duration 1 microsecond.
Time reference At the pulse positive edge.
Measurements Aligned to GPS second, 1 microsecond.




Other Support different datum by request 

Physical Characteristics  
Active Size  25.4(W) x 25.4(D) x 7(H) (mm)
Weight 2g
Interface connector 6-pin straight male header, 1.25 mm pitch 
Environmental Characteristics


Operating temperature range -10 ℃ to +60 ℃
Storage temperature range -20 ℃ to +85 ℃
input power 3.3V - 5.5VDC
Input current Less than 65 mA (without antenna)
Backup power 3V Rechargeable Lithium cell battery, up to 500 hours discharge.
Accuracy (Open Sky)
Position 10 meters, 2D RMS .
7 meters 2D RMS, WAAS corrected .
1-5 meters, DGPS corrected 
Altitude  < 35m Vertical in term of 95% .
Velocity 0.1 meters/second .
Time 1 microsecond synchronized to GPS time
Acquisition Rate  (Open sky, stationary requirements)
Reacquisition 0.1 sec., average.
Hot start 1 sec., average.
Warm start 38 sec., average
Cold start 42 sec., average.
Antenna connector type MMCX, output 2.8 VDC. (optional output VCC_IN).
Minimum signal tracking -159 dBm.
Two full duplex serial communication, CMOS 3V interface, with user selectable baud rate (4800-Default, 9600, 19200, 38400).
NMEA 0183 Version 2.2 ASCII output (GGA, GSA, GSV, RMC (VTG , GLL and ZDA for optional)).
SiRF binary-position, velocity, altitude, status output.
Certificate CE,FCC
GR-87 Firmware/Drivers/User Guide
Firmware download Holux GR-87 firmware/Driver Download
Specifications Holux GR-87 Datasheet
User Guide Holux GR-87 User Manual
Similar Products Holux GR-83, Holux GR-89
Holux GR-87 Accessories
See GR-87 in Video

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