Tallysman TW3887 Dual Band Embedded GNSS Antenna 28dB

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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TW3887 dual band embedded GNSS antenna 28dB covering GPS, Glonass, Galileo, Beidou, QZSS and SBAS Global Navigation Satellite Systems (GNSS).

Tallysman TW3887 Dual Band Embedded GNSS Antenna 28dB 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

Tallysman’s TW3887 Coverage:
GPS L1 L2
GLONASS G1 G2 G3
Galileo E1 E5b
BeiDou B1 B2
QZSS L1 L2
SBAS WAAS EGNOS MSAS

Tallysman’s TW3887 Benefits from:
Ideal for L1/L2 RTK surveying systems
Great multipath rejection
Increased system accuracy
Great signal to noise ratio
REACH, and RoHS compliant

TW3887 provides excellent circular polarized signal reception, great multi-path and out of band signal rejection.

Tallysman 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.

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.

Tallysman’s 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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