產品明細

TW4722

單頻段 GNSS 天線(預濾波)

    產品簡述
    雙饋貼片元件
    軸比:2 dB(典型值)
    ♦ 低雜訊LNA:典型值3 dB。
    高抑制比中段聲表面波濾波器
    高增益:典型值 24 dB。
    寬電壓輸入範圍:2.5 至 16 VDC
    ♦ IP68防護等級外殼
    低電流:典型值 12 mA。

    <<產品型錄>>

      產品詳細介紹Product Introduction

      TW4722 Single Band GNSS Antenna (Pre-filtered)

       

      The TW4722 is a compact, wideband GNSS antenna that provides accurate reception for all upper L- band GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B1-2, E1) and associated augmentation signals (WAAS, EGNOS and MSAS SBAS). This antenna employs Calian's patented Accutenna® technology.

      The TW4722 features a novel 25 mm diameter dual-feed wideband patch element that, in sharp contrast with its competitors, provides a truly circularly polarized response, with a typical axial ratio of less than 2 dB over the full bandwidth. This provides a more linear carrier phase response and substantially improved multipath rejection for higher precision applications.

      The TW4722 is the pre-filtered option of the TW4721 that provides protection from near frequency or strong harmonic interfering signals.

      The TW4722 is the smallest, lightest, wideband GNSS antenna available. It is housing in a compact IP68 magnetic or adhesive mount enclosure and is available with a wide range of connector options and custom coax cable lengths. The antenna can be ordered without the magnet. In such cases, the magnet is replaced with a plastic plug to provide a smooth under surface, with the option of ordering it with or without 1.1 mm thick doublesided VHB tape on the bottom.

       

      Features:
      • Dual-feed patch element
      • Axial ratio: 2 dB typ.
      • High-rejection mid-section SAW filter
      • High LNA gain (26 dB typ.)
      • Wide voltage input range: 2.5 to 16 VDC
      • IP68 weather proof housing
      • Low Power: 12 mA typ. over supply range
       

      Applications:

      • Cost Sensitive Mission Critical Positioning
      • UAV / UAS
      • Covert surveillance
      • Fleet management and asset tracking
       

      Antenna:- Measured with a 100 mm ground plane