{"id":20271,"date":"2026-01-08T18:04:23","date_gmt":"2026-01-08T18:04:23","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/?post_type=gnss_product&p=20271"},"modified":"2026-01-08T18:04:24","modified_gmt":"2026-01-08T18:04:24","slug":"tw7972xf-antenne-gnss-triple-bande-a-filtre-etendu-bande-l-2","status":"publish","type":"gnss_product","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss_product\/tw7972xf-antenne-gnss-triple-bande-a-filtre-etendu-bande-l-2\/","title":{"rendered":"TW7972XF Antenne GNSS triple bande \u00e0 filtre \u00e9tendu + bande L"},"content":{"rendered":"\n

The TW7972RXF is a surface-mount triple-band Accutenna\u00ae technology antenna providing coverage for GPS\/QZSS-L1\/L2\/L5, GLONASS-G1\/G2\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2b, NavIC-L5, and the satellite-based augmentation systems (SBAS) available in the region of operation [WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India)], plus L-Band correction services. It is especially designed for precision triple-frequency positioning.<\/p>\n\n

The radio frequency spectrum has become increasingly congested as new LTE bands are activated, and their signals or harmonic frequencies [e.g. 800 MHz \u00d7 2 = 1600 MHz (GLONASS-G1)] can interfere with GNSS antennas and receivers. In North America, planned Ligado signals at 1525\u20131536 MHz can especially impact GNSS antennas that support space-based L-Band correction services (1539\u20131559 MHz). New LTE signals in Europe [Band 32 (1452\u20131496 MHz)] and Japan [Bands 11 and 21 (1476\u20131511 MHz)] have also been observed to interfere with GNSS signals. In addition, Inmarsat satellite communication (uplink: 1626.5\u20131660.5 MHz) can affect GNSS performance. The new Tallysman XF antennas have been designed to mitigate out-of-band signals and prevent GNSS antenna saturation. Calian\u2019s custom XF filtering suppresses all existing signals as well as the new Ligado and LTE signals, enabling the antennas and attached GNSS receivers to perform optimally.<\/p>\n\n

This antenna is ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision matters. The TW7972RXF provides superior multipath signal rejection, a linear phase response, and tight phase centre variation (PCV).<\/p>\n\n

The TW7972RXF also provides excellent axial ratio, a linear phase response, and tight PCV, while protecting against intermodulation and saturation caused by high-level LTE 700 MHz signals. It is housed in a rugged, IP67 weatherproof enclosure and is available in magnetic, adhesive, and screw-mount configurations. A 100 mm diameter ground plane is recommended for optimal performance.<\/p>\n\n

\n
\n

Applications<\/h2>\n\n\n\n
    \n
  • Autonomous vehicle tracking and guidance<\/li>\n\n\n\n
  • Positive Train Control (PTC)<\/li>\n\n\n\n
  • Positive Train Location (PTL)<\/li>\n\n\n\n
  • Precision GNSS positioning<\/li>\n\n\n\n
  • Precision agriculture<\/li>\n\n\n\n
  • Triple-frequency RTK and PPP receivers<\/li>\n\n\n\n
  • Law enforcement and public safety<\/li>\n<\/ul>\n<\/div>\n\n\n\n
    \n

    Caract\u00e9ristiques<\/h2>\n\n\n\n
      \n
    • Very low noise preamp (\n<\/li>\n\n\n
    • Low axial ratio (\n<\/li>\n\n\n
    • Variation \u00e9troite du centre de phase<\/li>\n\n\n\n
    • High-gain LNA (32 dB typ.)<\/li>\n\n\n\n
    • Low current (32 mA typ.)<\/li>\n\n\n\n
    • Protection du circuit ESD (15 kV)<\/li>\n\n\n\n
    • Performance invariante de 2,5 \u00e0 16 VDC<\/li>\n\n\n\n
    • Conforme aux normes IP67, REACH et RoHS<\/li>\n<\/ul>\n<\/div>\n\n\n\n
      \n

      Avantages<\/h2>\n\n\n\n
        \n
      • Excellente att\u00e9nuation des interf\u00e9rences<\/li>\n\n\n\n
      • Excellente r\u00e9jection des trajets multiples<\/li>\n\n\n\n
      • Pr\u00e9cision accrue du syst\u00e8me<\/li>\n\n\n\n
      • Excellent rapport signal\/bruit<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        The TW7972RXF is a surface-mount triple-band Accutenna\u00ae technology antenna providing coverage for GPS\/QZSS-L1\/L2\/L5, GLONASS-G1\/G2\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2b, NavIC-L5, and the satellite-based augmentation systems (SBAS) available in the region of operation [WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India)], plus L-Band correction services. It is especially designed for precision triple-frequency positioning. <\/p>\n

        The radio frequency spectrum has become …<\/p>\n","protected":false},"featured_media":12040,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":""},"post_tag":[],"gnss_category":[],"gnss_industry":[319,320,321,322,318],"product_type":[167],"mount_type":[246,218,240,203],"class_list":["post-20271","gnss_product","type-gnss_product","status-publish","has-post-thumbnail","hentry","gnss_industry-agriculture-de-precision","gnss_industry-application-de-la-loi-et-securite-publique","gnss_industry-positionnement-gnss-de-precision","gnss_industry-train","gnss_industry-vehicules-autonomes","product_type-antennes","mount_type-montage-en-surface","mount_type-montage-en-surfaceadhesif","mount_type-montage-en-surfaceamagnetique","mount_type-montage-en-surfacevis-direct"],"acf":[],"yoast_head":"\nTW7972XF Antenne GNSS triple bande \u00e0 filtre \u00e9tendu + bande L - Calian Space (GNSS)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss_product\/tw7972xf-antenne-gnss-triple-bande-a-filtre-etendu-bande-l-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TW7972XF Antenne GNSS triple bande \u00e0 filtre \u00e9tendu + bande L - Calian Space (GNSS)\" \/>\n<meta property=\"og:description\" content=\"The TW7972RXF is a surface-mount triple-band Accutenna\u00ae technology antenna providing coverage for GPS\/QZSS-L1\/L2\/L5, GLONASS-G1\/G2\/G3, Galileo-E1\/E5a\/E5b, BeiDou-B1\/B2a\/B2b, NavIC-L5, and the satellite-based augmentation systems (SBAS) available in the region of operation [WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India)], plus L-Band correction services. 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