Tallysman TW1829 Embedded Dual Band Partial L1/L2 GNSS Antenna

The TW1829 employs Tallysman’s unique Accutenna® technology, covering GPS/QZSS L1/L2, GLONASS G1/G2, Galileo E1, BeiDou B1, as well as SBAS (WAAS/EGNOS/GAGAN/MSAS).

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Product Documents

TW1829, embedded partial L1/L2 GNSS antenna with Prefilter. Employing Tallysman‘s Accutenna® technology covering GPS / L1 / L2, GLONASS G1 / G2, as well as Galileo E1, BeiDou B1 and QZSS L1 / L2. In addition TW1829 supports SBAS (WAAS / EGNOS / GAGAN / MSAS).

TW1829, embedded partial L1/L2 GNSS antenna Features
Very low Noise Preamp, 2.5 dB
Axial ratio: <1.5 dB typ.
Tight Phase Center Variation
LNA Gain 26 dB typ.
Low current: 12 mA typ.
ESD circuit protection: 15 KV

Tallysman TW1829 Benefits from:
Lightweight (37g)
Ideal for L1 / L2 RTK survey systems
Great multi-path rejection
Increased system accuracy
Excellent signal-to-noise ratio
IP67, REACH and RoHS compliant

TW1829 features a precision tuned, circular dual feed, stacked patch element. 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.

TW1829, Ideal for dual frequency positioning where minimizing weight is important, the 37-gram TW1829 provides excellent axial ratio and tight Phase Centre Variation (PCV).

Also included with the TW1829 is an LNA pre-filter as a result it provides enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi.

Tallysman offers custom tuning services to optimize the performance of the TW1829 for any OEM installation environment.


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