Worth Data 701 RF Owner's Manual download pdf (Page 31)

Chapter 5:

Performance Issues

Evaluating your area of planned operation

Since every operational environment is different, it is impossible for us to tell you exactly what equipment you need and where

you should put it to achieve maximum performance from your RF System. However with 3.3 miles of open area range, unless you

are going through a lot of walls, you probably won't care where the Base is located and you probably will not need a Relay.

Site Survey was developed so that the user could start with a minimum system (RF Terminal and Base Station) and determine for

themselves what their realistic operating range is, what additional equipment they need, and where to install their Base Stations to

achieve optimum performance. Some other manufactures require expensive Site Surveys before you can even purchase any

equipment from them. Our Site Survey allows you the flexibility to Site Survey whenever you choose, whether it is before you in-

stall your system or during operation to troubleshoot RF problems. Site Survey is the most valuable tool you have to help you

achieve an efficient RF System with maximum range.

There is also some basic information about Radio Frequency itself that can help you make smart choices about the location and compo-

sition of your system:

 Metal walls are almost impenetrable by RF. If your warehouse computer is located in a metal shed, don’t locate the Base Station in-

side with the computer. Locate the Base Station outside the metal shed instead.

 The more walls you try to transmit through, the more the signal breaks down. Walls that have metal studs (interior office

walls) and concrete walls with steel rebar slightly degrade the signal with each wall you try to go through. Metal walls may require

the use of Relay Stations to achieve adequate coverage.

 Organic material absorbs RF energy. If you are trying to operate in an area with lots of densely packed organic material (bags of

beans or corn), expect and plan for reduced operating ranges.

There are some additional measures (other than a Site Survey) you can take early on to maximize your range:

 Base Stations should be located at the center of the area of intended coverage. If they are not located in the center, they

should be tilted in the direction of use.

 Raise the Base Station. Sometimes just raising the Base Station a foot or two will dramatically increase your operating

range, especially in a warehouse or grocery store environment. Mounting the Base Station on the ceiling with the antenna

pointing down is the best.

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Worth Data 701 RF Owner's Manual Page 31