Tallysman TW1721 Embedded Single Band GNSS Antenna

The TW1721 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1, GLONASS G1, Galileo E1, and BeiDou B1, as well as SBAS (WAAS/EGNOS/GAGAN/MSAS).

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Product Documents

Ideal for applications that require high precision positioning and timing in a small form factor, the TW1721 provides superior multi-path signal rejection, a linear phase response, and tight Phase Centre Variation (PCV).

Featuring a compact 25mm dual-feed wideband patch element, the TW1721 provides a truly circularly polarized response, with a typical axial ratio of less than 2dB over the full bandwidth.

Tallysman offers custom tuning services to optimize the performance of the TW1721 for any OEM installation environment.

LNA Pre-filter Available
If you need enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi, the alternative TW1722 provides these additional benefits with an LNA pre-filter

Features

  • Compact Dual Feed Patch Element
  • 2 dB bandwidth 1559-1606MHz
  • Very low noise LNA: <1 dB
  • Axial ratio: 2 dB typ
  • LNA gain: 28 dB typ.
  • Wide voltage input range: 1.8 to 16 VDC
  • ESD circuit protection: 15KV
  • Temperature Compensated Gain

Benefits

  • 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
  • Reliable performance

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