Tallysman TW2012 GPS Brickwall Filtered Antenna

Tallysman TW2012 GPS Brickwall Filtered Antenna

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The TW2012 by Tallysman Wireless is a professional grade, dual-filtered magnet mount, GPS L1 antenna, specially designed for precision positioning and timing applications in environments characterized by high L-Band RF fields.



The TW2012 features a precisely tuned ceramic patch element, a tight SAW pre-filter, a first LNA gain stage, a mid-section SAW filter and a final gain stage. It covers the GPS L1 and SBAS (WAAS/EGNOS/MSAS) frequency band (1572.5 to 1578 MHz), and it offers unparalleled out-of-band signal rejection and excellent axial ratio for improved signal reception and multipath rejection.

The TW2012 is housed in a compact, industrial-grade weather-proof, magnet mount enclosure, and comes with a bulkhead SMA female connector or with 5 metres of cable and a wide range of connector.


  • Anti-Jamming & Mission Critical GPS
  • Military & Security
  • Precision Agriculture, Mining & Construction
  • Avionics
  • Law Enforcement & Public Safety
  • Fleet Management & Asset Tracking


  • Narrow pass-band SAW pre-filter
  • 3 dB Noise Figure (including pre-filter)
  • Axial ratio: <4dB at Zenith
  • High LNA gain: 27 dB typ.
  • Low current: 10 mA typ.
  • ESD circuit protection: 15 KV
  • Wide voltage input range: +3.0 to 10 VDC


  • Great out-of-band signal rejection
  • Ideal for high level RF environments
  • Great multipath rejection
  • Increase system accuracy
  • Great signal to noise ratio
  • Weather proof IP67 housing
  • RoHS compliant

Ordering Information

  • TW2012 5 metre cable, SMA Male – 32-2012-0
  • TW2012 Bulkhead SMA Female – 32-2012-7