Tallysman TW7972 Triple Band GNSS Antenna with L-band

The TW7972 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1/L2/L5, GLONASS G1/G2/G3, Galileo E1/E5a/E5b, BeiDou B1/B2/B2a, as well as SBAS (WAAS/EGNOS/MSAS) and L-band correction services.

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Product Documents

The TW7972 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1/L2/L5, GLONASS G1/G2/G3, Galileo E1/E5a/E5b, BeiDou B1/B2/B2a, as well as SBAS (WAAS/EGNOS/MSAS) and L-band correction services.

Features

  • Very low Noise Preamp, <2.5 dB
  • Axial ratio: <2 dB typ
  • Tight Phase Center Variation
  • LNA Gain 32 dB typ.
  • Low current: 24 mA typ.
  • ESD circuit protection: 15 KV
  • Invariant performance from: +2.5 to 12VDC

Benefits

  • Ideal for triple frequency RTK surveying systems
  • Great multi-path rejection
  • Increased system accuracy
  • Great signal to noise ratio
  • IP67, RoHS and REACH compliant

Details

Ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision matters, the TW7972 provides excellent circular polarized signal reception, great multi-path and out-of-band signal rejection.

The TW7972 features a precision tuned, circular dual-feed, stacked patch element. The signals from the two orthogonal feeds are combined in a hybrid combiner, amplified in a wide-band Low Noise Amplifier (LNA), then band-split for narrow filtering in each band and further amplified prior to recombination at the output.

The TW7972 also includes an LNA pre-filter, providing enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi.

The TW7972 is housed in an industrial-grade weather-proof enclosure that can be surface mounted via magnet, screws or adhesive material.

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