BU353S4 GPS Receiver

BU353S4 GPS Receiver is a high-performance USB GPS receiver featuring the SiRF Star IV chipset, designed for exceptional accuracy and signal stability even in dense urban areas or under heavy foliage.

Key Features

• High-Sensitivity Tracking
  SiRF Star IV chipset ensures reliable reception in challenging environments.

• Fast Start with CGEE Technology
  Built-in Client Generated Extended Ephemeris (CGEE) predicts satellite positions up to 3 days in advance, enabling hot-starts in under 15 seconds—no network required.

• Power-Efficient MicroPower Mode
  Maintains GPS readiness with minimal energy use, perfect for continuous operation.

• Compact & Durable Design
  Lightweight, weather-resistant unit with integrated patch antenna and magnetic base—ideal for desktop, vehicle, or marine installations.

• Plug & Play Compatibility
  Works seamlessly with Windows (including Windows 8+), Linux, and Raspberry Pi systems right out of the box.

Technical Specifications

• Chipset: 48-channel SiRF Star IV

• Antenna: Integrated GPS patch with magnetic base

• Interface: Standard USB (power + data)

• TTFF: < 15 s (hot start via CGEE)

• Augmentation: WAAS/EGNOS supported

• Power: Ultra-low consumption for sustained use

• Weight: Approx. 100 g (shipping weight)

Ideal Applications

• Laptop or desktop navigation and mapping

• Field data collection and survey operations

• Marine, RV, or outdoor installations

• Raspberry Pi and open-source GPS projects

Product Summary

The GlobalSat BU-353S4 delivers precision, speed, and reliability in a compact USB design. With its advanced SiRF Star IV chipset, CGEE-assisted startup, and power-saving MicroPower mode, it’s the perfect GPS receiver for professionals, hobbyists, and developers seeking a durable, high-accuracy solution for both indoor and outdoor applications.