Coverage
CoverageMountAmplifier GainConnector Options
GPS/QZSS-L1,
GPS/QZSS-L2,
GPS/QZSS-L5,
QZSS-L6,
GLONASS-G1,
GLONASS-G2,
GLONASS-G3,
Galileo-E1,
Galileo-E5a,
Galileo-E5b,
Galileo-E6,
BeiDou-B1,
BeiDou-B2,
BeiDou-B2a,
BeiDou-B2b,
BeiDou-B3,
NavIC-L5,
L-band correction services
Through-Hole
37 dB
Many Options, Please Inquire,
TNC Female,
N-Type Female

Features

  • Very low noise preamp (2.5 dB typ.)
  • Low axial ratio (< 2.0 dB typ.)
  • Tight phase centre variation
  • High-gain LNA (37 dB typ.)
  • Low current (32 mA typ.)
  • ESD circuit protection (15 kV)
  • Invariant performance from 2.5 to 16 VDC
  • IP69K, CE RED, REACH, RoHS, and S-9401.V1.0 compliant
  • EN45545-2, EN50121, EN50155, and EN61373 compliant
  • AAR Certified

Benefits

  • Ideal for full-band RTK surveying systems
  • Excellent interference mitigation
  • Excellent multipath rejection
  • Increased system accuracy
  • Excellent signal-to-noise ratio

The radio frequency spectrum has become more congested as new LTE bands are activated and their signals or harmonic frequencies [e.g. 800MHz x 2 = 1600MHz (GLONASS-G1)] can affect GNSS antennas and receivers. In North America, planned Ligado signals at 1525 - 1536 MHz can especially impact GNSS antennas that support space-based L-band Corrections (1539 - 1559 MHz). New LTE signals in Europe [Band 32 (1452 - 1496 MHz)] and Japan [Bands 11 and 21 (1476 – 1511 MHz)] have also been observed to interfere with GNSS signals. In addition, Inmarsat satellite communication (uplink: 1626.5 - 1660.5 MHz) can also affect GNSS signals. The new Tallysman XF antennas have been designed to mitigate out-of- band signals and prevent GNSS antenna saturation. Calian's custom XF filtering mitigates all existing signals and new Ligado and LTE signals, enabling the antennas and attached GNSS receivers to perform optimally.

Ideal for train control sensors, autonomous vehicle tracking and guidance, precision agriculture, and other applications where precision matters, The TW3990XF provides superior multipath signal rejection, a linear phase response, and tight phase centre variation (PCV).

The TW3990XF features a precision-tuned, twin circular dual-feed, stacked patch element. The signals from the two orthogonal feeds are combined in a hybrid combiner, amplified in a wideband LNA, then band-split for narrow filtering in each band and further amplified prior to recombination at the output. The antenna also has a strong pre-filter to mitigate inter-modulated signal interference from Ligado, LTE and other cellular bands. The TW3990XF offers excellent axial ratio and a tightly grouped phase centre variation.

The TW3990XF meets all requirements of the Association of American Railroads (AAR)’s Electronics Environmental Requirements and System Management Standard (S-9401.V1.0). In addition, it is also compliant with the EN45545-2, EN50121, EN50155, and EN61373 standards.

The TW3990XF is housed in a through-hole mount, weatherproof enclosure for permanent installations. L-bracket (PN 23-0040-0) or pipe mount (PN 23-0065-0) are available. A 100 mm ground plane is provided with the antenna, which ensures optimal performance. This antenna is also available in an OEM format: TW3997XF (28 dB) and TW3990EXF (37 dB).

Specifications

Part Number: 33-3990XF-xx-yy-zzzz

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TW3990XF Multi-Constellation Full-Band Antenna

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