Navisys Technology Corp.

Our RoHS-compliant products also carry CE, BQB and FCC approvals

50,000 units monthly | Expert R&D engineers | OEM/ODM services

 12th year  Verified

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MS Fan, Lily

Sales Manager

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GM-428 is built-in with patch antenna, backup battery, power control pin

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    Product Details

    Model Number: GM-428, SiRFstarIV, 28x24x7(mm)

    Brand Name: Navisys

    Key Specifications/Special Features:

    Technical Specifications
    Receiver Performance Data
    • Receiver Type:48-channel, L1 frequency, C/A code
    • Horizontal Position Accuracy
      • < 2.5m (Autonomous)
      • < 2.0m (WAAS)
      • (50% 24hr static, -130dBm)
    • Velocity Accuracy
      • <0.1 m/s (speed)
      • <0.01° (heading)
      • (50%@30m/s)
    • Time To First Fix:Autonomous
    • Hot start:<1sec
    • Warm start:<35sec
    • Cold start:<35sec (50% -130dBm)
    • Sensitivity (Autonomous)
      • -147dBm (acquisition)
      • -163dBm (tracking)
    • Max. Update Rate:5Hz
    • Max. Altitude:<18,000 m or 60,000 ft
    • Max. Velocity:<1,852 km/hr or 1,000 knots
    • Protocol Support
      • NMEA v3.00, OSP
      • Default: NMEA 4800bps N,8,1;
      • GGA,GSA,RMC@1Hz, GSV@1/5Hz
    • Dynamics:<4g
    Electrical Data
    • Power Supply;
      • VCC 3.0~5.5V w/ built-in battery
      • 2.5~5.5V w/o built-in battery
    • Power Consumption:32mA/average tracking
    • Backup Power; VBAT:Nominal voltage: 2.5~5.5 V
    • TTL I/O
      • VIH: 1.4~3.6V, VIL: 0~0.45V
      • VOH: ≧VCC-0.1V, VOL: ≦ 0.4V
    • Protocols:NMEA, OSP
    Environmental Data
    • Operating temperature
      • -40 ~ 85℃ except
      • battery: -20~60℃
    • Storage temperature
      • -40 ~ 85℃except
      • battery: -40~60℃
    • Vibration:5Hz to 500Hz, 5g
    • Shock:Half sine 30g/11ms
    •  TTL compatible output
    •  Compact (24x28x7; mm)
    •  Easy to use with built-in patch antenna, backup battery, and MCX external antenna connector
    •  External backup power option available
    •  Excellent EMI protection and minimum RF efforts
    •  Based on SiRF’s GSD4e low power single chip
    •  High performance: -163dBm tracking sensitivity
    •  Low power: 32mA, tracking (3.3V, 8 SVs, -130dBm)
    •  Multi-mode AGPS support (optional)
    •  Fully EMI shielded
    •  Local ephemeris prediction
    •  Removes in-band jammers up to 80 dB-Hz
    •  Industrial operating temperature range: -40 ~ 85℃
    •  Driving recorder, digital camera
    •  Automatic vehicle location
    •  Trackers

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    Main Export Markets:

    • Asia
    • Australasia
    • Central/South America
    • Eastern Europe
    • North America
    • Western Europe

    Any third-party trademarks or images shown here are for reference purposes only. We are not authorized to sell any items bearing such trademarks.

    Contact Supplier

    Navisys Technology Corp.

    Address: 2F, No. 56, Park Ave. II, Science-Based Industrial Park, Hsinchu, Hsin Chu, Taiwan (300)

    Tel:  (886 3) 5632598  Ext : 689  (886 3) 5632598  Ext : 601

    Fax:  (886 3) 5632597

    Homepage Address: http://www.globalsources.com/navisys.co

    Other Homepage Address: http://www.navisys.com.tw

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    Verified Business Registration Details

    Registered Company: 旺天電子股份有限公司

    Registration Number: 28461587

    Company Registration Address: 新竹科學工業園區新竹縣寶山鄉園區二路56號2樓

    * In some jurisdictions, company names and addresses are registered in Chinese only.

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    Supplier and product information updated March 12, 2018.

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    Contact Supplier:

    MS Fan, Lily

    Sales Manager

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