Description
The TW7875 employs Tallysman™s unique Accutenna® technology, covering GPS/QZSS L1/L5, GLONASS G1, Galileo E1/E5a, BeiDou B1/B2a, NavIC L5, as well as SBAS (WAAS/EGNOS/MSAS)
Features
- Very low Noise Preamp, <2.5 dB
- Axial ratio: <1.5 dB typ
- Tight Phase Center Variation
- LNA Gain 32 dB typ.
- Low current: 24 mA typ.
- ESD circuit protection: 15 KV
- Invariant performance from: +2.5 to 12VDC
Benefits
- Ideal for dual frequency RTK surveying systems
- Great multi-path rejection
- Increased system accuracy
- Great signal to noise ratio
- IP67, RoHS and REACH compliant
Details
Ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision matters, the TW7875 provides excellent circular polarized signal reception, great multi-path and out-of-band signal rejection.
The TW7875 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.
The TW7875 also includes an LNA pre-filter, providing enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi.
The TW7875 is housed in an industrial-grade weather-proof enclosure that can be surface mounted via magnet, screws or adhesive material.
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