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Tallysman TW7872 GNSS Antenna

Using Tallysman’s Accutenna technology, the TW7872 is a precision-tuned dual band GNSS antenna that is designed for duel frequency positioning. This versatile antenna suits a range of applications, including military & security, mission-critical GPS timing, precision GPS positioning, and RTK surveying systems.



Tallysman’s TW7872 provides a range of benefits to its users. Along with offering impressive multipath rejection, the antenna also provides a great signal to noise ratio and increased system accuracy. This antenna is ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision is a top priority.

The TW7872 features a precision-tuned, twin circular dual feed, stacked patch element. Both signals from the orthogonal feeds are merged in a hybrid combiner, pre-filtered to minimize interference from out of band signals (cellular LTE) then amplified in a wide-band LNA and band-split for additional filtering and amplification stages prior to recombination at the output.


  • Precision GPS position
  • Dual Frequency RTK systems
  • Mission Critical GPS Timing
  • Military & Security


  • Tight Phase Center Variation
  • LNA Gain 32 dB typ.
  • Low current: 24mA typ.
  • ESD circuit protection: 15 KV
  • Invariant performance from: +2.5 to 16VDC

Benefits Technical Specifications

  • Ideal for dual band RTK surveying systems
  • Great multipath rejection
  • Increased system accuracy
  • Great signal to noise ratio
  • IP67, REACH, and RoHS compliant

Technical Specifications

 Size (D x H):  69 mm x 22 mm
Weight: 180 g
Shock: 50 G vertical axis, 30 g other axes
Axial Ratio <2 dB typ.
Operating Temperature:  –40 °C to 85 °C

Ordering Information

Looking to order the Tallysman TW7872 GNSS antenna or have a question? Simply request a quote today and we’ll get back to you promptly.


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