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Tessco Guides are specifically designed to reduce complexity and simplify your product selection process. With our quick reference sheets and technology breakdowns these guides will help you save valuable time and money by allowing you to focus on what you do best.

Heat Shrink Sizing and Application Guide

Heat shrink is plastic tubing that shrinks when heat is applied. It is used to seal water, dust, and other contaminates from cable connections. Heat shrink can also be used as a strain relief.

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Understanding Your Duplexer

A duplexer is a device that allows bi-directional communication over a single channel. In radio communications systems, it isolates the receiver from the transmitter while permitting them to share a common antenna. Most radio repeater systems include a duplexer.

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