Tower Top Amplifier (TTA)
A TTA places a low-noise preselector and low-noise amplifier (LNA) at the tower top, close to the receive antenna. This location minimizes feeder loss and reduces the overall receive noise figure—delivering stronger uplink “talk-back,” wider coverage, and more reliable site access in LMR/PMR systems. High-quality filtering and strong linearity help prevent overload and intermodulation.
Sinclair advantage: Sinclair TTA systems are delivered as a matched package with the TTA and receiver multicoupler/controller together. This integrated approach optimizes end-to-end performance, simplifies integration, and ensures a balanced site design.
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Sinclair advantage: Sinclair TTA systems are delivered as a matched package with the TTA and receiver multicoupler/controller together. This integrated approach optimizes end-to-end performance, simplifies integration, and ensures a balanced site design.
Crossband-Koppler
Kreuzbandkoppler werden verwendet, um verschiedene Frequenzbänder zu kombinieren oder zu trennen, wodurch Sender und Empfänger eine einzige Speiseleitung oder Antenne gemeinsam nutzen können. Kreuzbandkoppler tragen dazu bei, Kosten, Systemkomplexität und Turmbelastung an einem bestimmten Standort zu reduzieren.
