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High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna

Shenzhen Youwei Communication Co., Ltd.
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    Buy cheap High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna from wholesalers
     
    Buy cheap High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna from wholesalers
    • Buy cheap High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna from wholesalers
    • Buy cheap High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna from wholesalers
    • Buy cheap High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna from wholesalers

    High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna

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    Brand Name : Youwei
    Model Number : YW-35254G1
    Certification : CE FCC RoHS
    Price : USD+6.5-8+Unit
    Payment Terms : T/T, Western Union, MoneyGram, D/A, L/C, Paypal
    Supply Ability : 200000pcs
    Delivery Time : 5-7 working days
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    High Reliable GPS GNSS Locating Receiver Module with Built-in Antenna

    Main Features of Youwei GPS GNSS Positioning Modules

    1, Weak-Signal Performance

    Reliably acquires and maintains satellite locks even in challenging environments (e.g., urban canyons, indoor-outdoor transitions).

    2, Multi-Channel Satellite Tracking

    Multi-channel receiver processes signals from GPS, GLONASS, Galileo, and BeiDou simultaneously, enhancing fix speed and accuracy.

    3, Rapid Initialization

    Hot start: <1s (with ephemeris retention)

    Warm start: <28s (using almanac data)

    Cold start: <30s (full satellite scan)

    4, Energy Efficiency

    Optimized power architecture reduces operating current to ≤25mA without sacrificing performance.

    5, Environmental Resilience

    Stable operation across -40°C to +85°C and high-electromagnetic-noise areas.

    6, Anti-Interference Design

    Minimizes multipath errors for consistent positioning near reflective surfaces.

    7, Global Compatibility

    Supports all mainstream GNSS constellations (configurable via firmware).

    8, Data & Integration

    Standard NMEA 0183 output + customizable binary protocols.

    Compact 35mm × 25mm SMD package for space-constrained designs.

    9, Quality Assurance

    FCC/CE/RoHS certified


    Parameters of YW-35254G1 GPS GNSS Locating Module

    ItemParameters
    Item No.YW-35254G1
    ChipPer order requirement
    Frequency

    GPS L1 C/A

    SBAS L1 C/A

    QZSS L1 C/A

    GLONASS L1OF

    BeiDou B1

    Galileo E1B/C²

    Customized

    Number of ChannelsAs per order
    Positioning Accuracy2m to 5m
    Velocity515 m/s
    Velocity Accuracy

    Without aid : 0.1m/s

    DGPS: 0.05m/s

    TTFF (Time-To-First-Fix)

    Hot start: 1 second typical

    Warm start: 28 seconds typical

    Cold start: 30 seconds typical

    Sensitivity

    Tracking Sensitivity: -162 dBm

    Acquisition Sensitivity: -160 dBm typical

    Cold Start:-147dBm

    Baud Rate9600 bps (default)
    Navigation Update Rate1Hz (default), maximum 10Hz
    Timing Accuracy25 ns RMS
    Interface TypeUART, I2C, SPI, USB
    Data Output FormatNMEA 0183
    Power Supply3.3V ~ 5V
    Working Temperature Range-40°C to 85°C
    Antenna Typepatch ceramic antenna
    AGPSSupported
    Dimension35*25*4mm
    Package TypeSMD
    OriginChina
    White labelAcceptable

    The Significance of TTFF (Time To First Fix) for GPS Modules

    TTFF is a critical performance metric for GPS modules, directly impacting user experience and system efficiency. Here’s why it matters:

    1. Enhanced User Experience

    Faster Response: Shorter TTFF means quicker location acquisition (e.g., <1s hot start vs. 30s cold start).

    Critical for Emergency Use: Rapid TTFF (<10s) is vital for rescue trackers, security devices, and real-time navigation.

    2. Technical Performance Indicator

    Signal Processing Efficiency: Low TTFF reflects:

    High Sensitivity (e.g., -162dBm tracking for weak signals).

    Optimized Algorithms (fast satellite ephemeris decoding).

    Multi-Constellation Support (GPS + Galileo/BeiDou reduces TTFF).

    Power Efficiency: Hot-start-capable modules minimize power drain during frequent restarts.

    3. Application-Specific Requirements

    Startup ModeTTFF RangeUse Case Example
    Cold Start25-40sFirst-time use/long power-off
    Warm Start15-30sShort power interruption
    Hot Start<1sQuick wake-up (e.g., car ignition)

    4. Industry Benchmarks

    Consumer Modules: ≤30s (cold start).

    Industrial Modules: ≤20s (e.g., drones, surveying).

    Military-Grade: ≤10s (anti-jamming + multi-band support).

    5. Design Implications

    Battery Life: Frequent cold starts (high TTFF) increase power consumption.

    Cost Trade-offs: Low TTFF may require higher-end chips or external flash memory (e.g., for ephemeris caching).

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