Tallysman TW1829

TW1829 GPS L1/L2 + GLONASS G1/G2

The TW1829 employs Tallysman's unique Accutenna technology providing dual band GPS L1/L2 + GLONASS G1/G2 coverage and is especially designed for precision dual frequency positioning where light weight is important.

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Overview

The TW1829 employs Tallysman’s unique Accutenna technology providing dual band GPS L1/L2 + GLONASS G1/G2 coverage and is especially designed for precision dual frequency positioning where light weight is important.

The TW1829 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 LNA, then band-split for narrow filtering in each band and further amplified prior to recombination at the output.

The TW1829 offers excellent axial ratio and a tightly grouped phase center variation.

The TW1829 covers GPS L2 (1227.6MHz), GLONASS G2 (1248 MHz centre), GPS L1/WAAS/EGNOS/MSAS (1575.42MHz), GLONASS G1 (1602 MHz, centre).

The TW1829 has a pre-filter which increases the antenna’s immunity to high amplitude interfering signals, such as LTE and other cellular signals.

Applications

  • Airborne Unmanned Autonomous Vehicles
  • Precision GPS position
  • Dual Frequency RTK receivers
  • Mission Critical GPS Timing
  • Military & Security
  • Network Timing and Synchronization

Features

  • Very low Noise Preamp, 2.5 dB
  • Axial ratio: < 2 dB typ.
  • Tight Phase Center Variation
  • LNA Gain 26 dB typ.
  • Low current: 12 mA typ.
  • ESD circuit protection: 15 KV
  • Invariant performance from: +2.5 to 16 VDC

Benefits

  • Lightweight (37 g excluding cable and connector)
  • Ideal for L1/L2 RTK surveying systems
  • Great multipath rejection
  • Increased system accuracy
  • Excellent signal to noise ratio
  • IP67, REACH, and RoHS compliant

Ordering Information

  • TW1829 – GPS L1/L2 + GLONASS G1/G2 – 33-1829-xx-yyyy

Where xx = connector type, yyyy = cable length in mm (all 4 digits required)