Tallysman TW1825 Embedded Dual Band GNSS L1/L5 Antenna

TW1825, embedded L1/L5 GNSS antenna with Prefilter. Employing Tallysman’s Accutenna® technology covering GPS L1 / L5, GLONASS G1, Galileo E1 / E5, BeiDou B1 / B2a, NavIC E5 and QZSS L1 / L5 as well as SBAS (WAAS / EGNOS / GAGAN / MSAS).

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TW1825, embedded L1/L5 GNSS antenna with Prefilter. Employing Tallysman‘s Accutenna® technology covering GPS L1 / L5, GLONASS G1, Galileo E1 / E5, BeiDou B1 / B2a, NavIC E5 and QZSS L1 / L5 as well as SBAS (WAAS / EGNOS / GAGAN / MSAS).

TW1825, embedded L1/L5 GNSS antenna 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

Tallysman TW1825 Benefits from:
Lightweight (37g)
Ideal for L1 / L5 RTK survey systems
Great multi-path rejection
Increased system accuracy
Excellent signal-to-noise ratio
IP67, REACH and RoHS compliant
Details

TW1825 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.

TW1825, Ideal for dual frequency positioning where minimizing weight is important, the 37-gram TW1825 provides excellent axial ratio and tight Phase Centre Variation (PCV).

Also included with the TW1825 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 TW1825 for any OEM installation environment.

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