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GPS Products
Bluetooth Low Energy GPS
  GL-770
3rd Party Software solution For GPS datalogger
  ManageMy GPS
GPS Data Logger
  760
  860E
  747ProS
  821E
  860Lite
  747Pro
  photoMate 887 Lite
  TripMate 850
  TripMate 852
  photoMate 887
  747A+
  821
Wired GPS
  iGPS-M Pro
  GM-2
  GM-3
Active Antenna
  GA-110
  GA-112
  GA-140
  GA-240
  GA-310
  GA-330
  GA-722
  GA-723
Engine Board
  EB-230
  EB-24X
  EB-250 / EB-250L
  EB-500 / EB-500L
  EB-500A
  EB-505
  EB-54X
  EB-570
  EB-600
  EB-845
  EB-870
  EB-5080
  EB-5084
  EB-845A
  EB-870A
  EB-800A / EB-800AL
  EB-800 / EB-800L / EB-800S
  EB-807
  EB-6200
  EB-807A
GM-3
 

GM-3 series is a cabled GPS solution with compact size.
Equipped with antenna, back up battery, GPS engine and it
provides superior navigation performance under dynamic
conditions in areas with limited sky view like urban canyons.
High sensitivity up to -165dBm for weak signal operation
without compromising accuracy. GM-3 is your best choice for
cabled GPS applications.

   
Key Features: Applications:
• Small form factor with IPX7 waterproof
• High sensitivity -165dBm
• Tracks 66/99-Channel of satellites,
• Support QZSS and SBAS(WAAS/EGNOS/MSAS/GAGAN)
• EPOTM / HotStillTM orbit prediction
• EASYTM self-generated orbit prediction
• FCC E911 compliance and A-GPS support
• Automotive and Marine Navigation /Tracking
• Geographic Surveying
• Emergency Locator
• Sporting and Recreation
• Car Black box external GPS receiver
Specification Description
General

L1 frequcney, C/A code (SPS)
GM-3: support GPS only, GM-3 N: Support GPS and GLONASS

GM-3: 22 tracking / 66 acquisition channels, GM-3 N: 33 tracking / 99 acquisition channels

Sensitivity -165dBm /Tracking, -148dBm / Acquisition(cold), -163dBm / Acquisition(Hot)
Update Rate Up to 10Hz (Default 1Hz, above 1Hz is not available for EASY self-generated orbit prediction )
Accuracy

Without aid: 3.0m 2D-RMS
<3m CEP (50%) without SA (horizontal)
SBAS (WAAS, EGNOS, MSAS, GAGAN): 2.5m

Supports multi-GNSS incl. QZSS, SBAS ranging

Acquisition (open sky) Cold Start : 35 sec
Warm Start : 34 sec
Hot Start : 1 sec
Cold Start (EPOTM / HotStillTM orbit prediction , EASYTM self-generated orbit prediction): 5~10 sec
Reacquisition < 1sec
Dynamic Altitude : 18000m (max.)
Velocity : 515m/sec (max.)
Acceleration :4G (max.)
Supply Voltage DC 5V±5%
Power Consumption 40mA @ 5V / Tracking
Backup Battery Build-in (5.5mA)
NMEA Message NMEA0183 v3.01, baud rate selectable 4800/9600/... /57600/115200 , default 9600
Selectable Output: GGA, GLL,GSA, GSV, RMC, and VTG
Datum Default WGS-84
Antenna Build-in 25*25*4mm patch antenna, right hand circular polarization, 50ohm
Signal Level USB Bridge (CP210x, Driver for Windows, MAC OS, Linux, Win CE), Low Voltage TTL
Connector Type A USB with 3 meters cable / Mini B USB with 3 meters cable
Status Indication LED (Orange color), solid on: searching for satellite, 1Hz flashing: GPS fix
Operating Temperature -40°C to 80°C
Storage Temperature -40°C to 85°C
Humidity <=95%, non-condensing
Dimension 1.65" x 1.38" x 0.59" / 42 x 35 x 15 mm(cable excluded)
Models
GM-3 RU300 Support GPS, Receiver, USB signal, 118" / 300cm cable, Type A USB connector
GM-3 RT300 Support GPS, Receiver, TTL signal, 118" / 300cm cable, Mini B USB connector
GM-3 N RU300 Support GPS/GLONASS, Receiver, USB signal, 118"/ 300cm cable, Type A USB connector
GM-3 N RT300 Support GPS/GLONASS, Receiver, TTL signal, 118"/ 300cm cable, Mini B USB connector

*Specification is subject to change without prior notice

Type Version Description Date
USB driver Linux_2.6.x 2014-02-05
USB driver Linux_3.x.x 2014-02-05
USB driver Mac 2014-02-05
USB driver Win2K 2014-02-05
USB driver WinCE50 2014-02-05
USB driver WinCE60 2014-02-05
USB driver Windows_Vista_7_8 2014-02-05
Catalog V1.4 2012-11-30
GpsView V2.0.24 2013-02-19
Brochure V1.4 2012-11-30
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