Tallysman TW2108 Embedded Single Band GNSS Antenna (Pre-Filtered)

The TW2108 employs Tallysman’s unique Accutenna® technology, covering the GPS/QZSS L1 band as well as SBAS (WAAS/EGNOS/GAGAN/MSAS).

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Product Documents

Ideal for precision agriculture, mining, construction, and other applications where antenna precision matters, the TW2108 provides superior multi-path signal rejection, a linear phase response, and tight Phase Centre Variation (PCV).

The TW2108 features a customizable high performance, dual-feed, wide band patch element. Its Low Noise Amplifier (LNA) configuration provides a LNA for each feed, a mid section mid-section Surface Acoustic Wave (SAW) filter for the combined signal, followed by a final stage of LNA. This configuration provides ± 10MHz bandwidth centred on 1575.42 MHz.

The TW2108 also includes an LNA pre-filter, providing enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi.

Tallysman offers custom tuning services to optimize the performance of the TW2108 for any OEM installation environment.


  • Great axial ratio: <3 dB over full bandwidth
  • Low noise LNA: 1 dB
  • High rejection SAW filter
  • High gain: 26 dB typ.
  • Low current: 15 mA typ.
  • ESD circuit protection: 15 KV
  • Wide voltage input range: +2.5 to 16 VDC
  • Small form factor


  • Excellent multipath rejection
  • Increase system accuracy
  • Excellent signal reception
  • Great out of band signal rejection
  • RoHS compliant


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