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BT-74Y Skytraq


The GPS-BT74Y is a total solution of GPS Bluetooth wireless technology, is dedicated design for the user who is usually carry the portable device such as PDAs/smart phones all the time. GPS-BT74Y is based on Skytraq low power chipset, which allows up to 22 hours continuous use to stand-by time more than one week with a single battery charge. GPS-BT74Y Bluetooth GPS receiver works to all Bluetooth smart phones, lap-top, PDA regardless of brand in an operating range of more than 10 meters. The high performance high sensitivity GPS-BT74Y is an ideal receiver to be used in any strict weather condition, so to easily find your way.


  • Automotive
  • Fleet management/Asset tracking
  • Personal/Portable Navigation (PDA, Pocket PC etc.)
  • Location Based Services enabled devices
  • Sports and Recreation
  • Geographic Surveying
  • Key Product Features

  • 44 channels "All-In-View" tracking
  • Cold/Warm/Hot start time: 30/28/1 sec. (average)
  • Superior sensitivity: -159dBm tracking
  • Support A-GPS function
  • Reacquisition time: 0.1 sec.
  • Build-in ceramic patch antenna
  • Build-in rechargeable Li-on battery
  • Support standard NMEA-0183 at 38400 bps baud rate
  • Compatible with bluetooth devices with Serial Port Profile (SPP)
  • Ultra low power consumption: 22 hours continuous use to stand-by time up to one week by 1100 mAh Li-on battery
  • Time to full recharge: within 3 hours
  • Vibration sensor for power management
  • 3 LEDS display all GPS, bluetooth and power status
  • Size: 81.0 (L) X 43.0 (W) X 17.6 (H) mm
  • Weight: 70g (battery included)
  • Non-slip back pad for secure placement


    GPS Features  
    GPS Chipset Skytraq low power chipset
    Frequency L1, 1575.42MHz
    C/A Code 1.023MHz chip rate
    Channels Supports 44 channels
    Antenna (Internal) Built-in low noise antenna
    To - 159dBm Tracking, Superior Urban Canyon Performance
    Time to First Fix (TTFF)
    Cold Start 30 sec, average
    Warm Start 28 sec, average
    Hot Start 1 sec, average
    Reacquisition 0.1 sec
    Update rate 1 Hz (max.)
    Position 5m CEP without SA.
    10m 2D, RMS
    Velocity 0.1m/sec, without SA
    Time 1µs synchronized to GPS time
    Built-in rechargeable 1100mAh Li-on battery and 5V DC input
    Operation Current <50mA (Typical)
    Operation Time 22hrs, fully charged, in continuous mode
    Charging time 3.0hrs. (Typical)
    Environmental Characteristics
    Operating Temperature - 10¢XC to + 60¢XC
    Storage Temperature 20¢XC to + 85¢XC
    Dynamic Conditions
    Altitude <18,000m(60,000feet)
    Velocity <515m/s(1000 knots)
    Acceleration <4G
    Motional Jerk 20m/sec³ max
    Communication Protocol: Communicate with host platform
    via Bluetooth (class 2) serial port profile
    Bluetooth communication distance 10meters (Typical)
    GPS Protocol: Default: NMEA-0183 - GGA, GSA, GSV,
    RMC, VTG; Skytraq Binary
    Data bit: 8, stop bit: 1(Default)
    Device Size and Weight  
    81.0 (L) X 43.0 (W) X 17.6 (H) mm
    3.19 (L) X 1.69 (W) X 0.69 (H) inch
    70g (battery included)
    Car charger (12V in, 5V output)
    AC adaptor (5.3V output, 500mA)

    Revision History

    Revision Date Comments
    V5.07 17_May_2007 First Release