Tallysman TW3887 Embedded Dual Band GNSS Antenna

The TW3887 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1/L2, GLONASS G1/G2/G3, Galileo E1/E5b, BeiDou B1,B2, as well as SBAS (WAAS/EGNOS/MSAS)

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The TW3887 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1/L2, GLONASS G1/G2/G3, Galileo E1/E5b, BeiDou B1,B2, as well as SBAS (WAAS/EGNOS/MSAS)

Features

  • Very low Noise Preamp, < 2.5 dB
  • Axial ratio: <2 dB typ.
  • Tight Phase Center Variation
  • LNA Gain 35 dB typ.
  • Low current: 24 mA typ.
  • ESD circuit protection: 15 KV
  • Invariant performance from: +2.5 to 16 VDC

 

Benefits

  • Ideal for L1/L2 RTK surveying systems
  • Great multipath rejection
  • Increased system accuracy
  • Great signal to noise ratio
  • REACH, and RoHS compliant

Details

Ideal for precision positioning and RTK surveying systems, the TW3887 provides excellent circular polarized signal reception, great multi-path and out-of-band signal rejection.

The TW3887 features a precision tuned, circular dual-feed, stacked patch element. The signals from the two orthogonal feeds are combined in a hybrid combiner, amplified in a wide-band Low Noise Amplifier (LNA), then band-split for narrow filtering in each band and further amplified prior to recombination at the output.

The TW3887 also includes an LNA pre-filter, providing enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi.

The TW3887 performs with excellent axial ratios and a tightly grouped phase center variation.

Tallysman offers custom tuning services to optimize the performance of the TW3887 for any OEM installation environment.

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