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Using More Than One Wireless System

Because of the need to ensure that wireless frequencies are compatible with each other, operating several systems at one time is slightly more complicated than using just one or two systems. As the number of systems increases, so do the chances that there will be interference problems unless appropriate precautions are taken.

  • The most common cause of problems when using multiple systems is interference due to frequency conflicts. Make a list of the frequencies of all wireless systems, then ensure that no two systems are on the same frequency.

  • Check to make certain that no two wireless frequencies are so close together that they will interfere with each other. In general, 1 MHz is the recommended minimum spacing between systems./li>
  • Make certain that the wireless frequencies are not on a local TV channel.

  • If the operating conditions are likely to be difficult or there is a high risk of interference, consider upgrading to more sophisticated equipment. Higher-performance systems are better able to reject interference and usually provide better range.

  • Keep all transmitters at least 10 feet (3 m) away from the receivers and their antennas to avoid receiver overload, which can reduce range and cause unnecessary interference. These problems are especially likely when several transmitters are in use.

  • Maintain as much distance as possible between the antennas of any two receivers.

See Using Multiple Systems for additional suggestions.

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