Crestron ZUMMESH-JBOX-20A-PLUG handleiding

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4 • Installation and Setup of Crestron RF Products Best Practices – DOC. 6689H

RF Range

To maximize the range of each network, place the gateway in a centralized location within

the home or building. In addition, obstructions reflect and absorb RF signals. Therefore,

maximizing the line of sight from devices to gateway is recommended for optimal reception.

Because of mesh networking, routing devices can extend the range. For more information,

refer to the “Zūm Mesh and Zūm Net” section on page 24.

NOTE: Ranges are not guaranteed, as every installation scenario is different.

The Material Interference table in the “Effects of Construction” section on page 4 provides a

comparison of the approximate relative ranges of the available RF networks. The

representation is not to scale and only use it as a guide for relative ranges between

networks within a home. The gateway or the product itself identifies all specific range

values.

Approximate Relative Range of Network Types

Effects of Construction

The construction of the walls and structure of the home or building can have a profound

effect on the range of RF devices. By absorbing RF energy, nonmetallic materials may

reduce the range. Metallic materials reflect RF energy. Normally, gateways and other

devices radiate energy almost equally in all horizontal directions. When metal is close to an

antenna, the radiation pattern could be directed to one side or the other. This could make

devices on one side of a gateway unreachable. Metal structures that are further away and

large can also have a negative impact (for example, a wall with metal construction). As the

cross-sectional area of metal increases, so does the percent of reflected RF energy.

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