Tallysman Wireless Releases TW33XX GPS L1/GLONASS Antennas

June 26, 2012
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Ottawa, Canada –Tallysman Wireless, a provider of high performance, high quality RF and GNSS components and wireless telematics solutions, announced the release of the TW33XX family of wideband GPS L1/GLONASS antennas.

The TW33XX series features a patch element with 40 percent wider bandwidth than typical single feed patch antennas so that the GPS-L1 and GLONASS signals are included in the 1dB received power bandwidth of the patch antenna.

The family includes a LNA with a 1dB NF, and with either 40dB or 28dB gain.  Both gain versions are available with optional brick-wall pre-filters to protect against saturation by high level sub-harmonics and L-band signals.  The entire product family features a 2.5V to 10V operating supply range and meets all requirements for newer high performance GPS chip-sets and receiver types.

Other features include robust IP67 compliant housings with a white metal base, double panel mount nuts and an optional L-bracket for fixed mounts.

  • Low noise LNA: 1 dB typical
  • High rejection mid-section SAW filter
  • Available Pre-filter
  • High gain:  28 dB or 40dB versions.
  • Wide voltage input range: 2.5 to 16 VDC
  • IP67 weather proof housing
  • Low Power:  9mA typ (28dB), 14mA typ (40dB).
  • Through-hole or L-bracket mount


TW3320/22   –   28dB/Brick-wall pre-filter
TW3370/72   –   40dB/Brick wall pre-filter/conical radome

Each model is available with a conical radome for timing applications, or a flat top radome for mobile telematics applications.

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