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What is the difference between a 75 Ohm and 50 Ohm system?

A 75 Ohm system is generally a consumer unit that uses RG-6 cable with F-connectors (the coaxial cable and port found in every standard cable/satellite/internet box) with typical cable run up to 50 ft.

A 50 Ohm system is generally an enterprise unit that uses Wilson400 cable with N-connectors with a typical cable run up to 100+ ft.

As a general rule of thumb, any typical house (2-4K sq ft) can use a 75 Ohm system and see good results. For anything over 7K sq ft coverage, it's best to go with a 50 Ohm system since 50 Ohm systems and cables are better than at handling signal loss with long cable rules.

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