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Tallysman TW3972 GNSS Antenna

Tallysman’s TW3972 is a reliable and versatile antenna that is specifically designed for precision triple frequency positioning. Setting a new standard in its category, the antenna is ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision is your top priority.



The TW3972 antenna uses Tallysman’s Accutenna technology to provide triple band GPS L1/L2/L5, GLONASS G1/G2/G3, BeiDou B1/B2, Galileo E1/E5a+b plus L-band correction services coverage. The TW3972 provides a range of benefits to the user, including multipath signal rejection, consistent response in all operating temperatures, and an excellent signal-to-noise ratio.

The antenna features a precision-tuned, twin circular dual feed, stacked patch element. The signals from both orthogonal feeds are merged in a hybrid combiner, amplified in a wide-band LNA, then band-split for narrow filtering in each band and further amplified prior to recombination at the output. The antenna also has a strong pre-filter to mitigate inter-modulated signal interference from LTE and other cellular bands.


  • Accutenna Technology
  • Tight Phase Center Variation (PCV)
  • Low noise LNA: 2.5dB typ.
  • Temperature compensating LNAs
  • Great Multipath Rejection


  • Great multipath rejection
  • Increase system accuracy
  • Improved carrier phase linearity
  • Excellent signal to noise ratio
  • Great out of band signal rejection
  • Compact form factor
  • RoHS compliant

Technical Specifications

Axial Ratio: <2dB typ.
Size: 66 mm diameter, 21 mm height
Weight: 185 g
Attachment Method: ¾” (19 mm) through hole mount
Operating Temperature: –40 °C to 85 °C

Ordering Information

Looking to order the Tallysman TW3972 GNSS antenna or have a question? Simply request a quote today and we’ll get back to you promptly.


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