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Microphone Month 5

Wireless Microphone Tips – How to get the best range.

Q: How can I get the best range from my wireless microphone system?

A: There are a lot of ways to maximize the range of your wireless microphone system. The following are some suggestions that can really help you get the most from your wireless system:

1. Make certain that there is a clear, open-air path between the receiver antennas and the transmitter. Metal objects between the transmitter and receiver, even screens or scaffolds, will usually greatly reduce range.
2. A high squelch setting can cause a reduction in operating range. If interference problems require a high squelch setting, eliminate the interference or change frequency to avoid the range loss.
3. Use only high-quality alkaline batteries for transmitters. Other types of batteries might have too low a voltage or inadequate capacity for the transmitter to achieve full power output.
4. For best range, a diversity wireless system should be used. Diversity systems almost always have much better range than similar non-diversity systems.
5. With VHF body-pack transmitters, do not wrap the microphone cable around the transmitter body or bundle it within 18 inches (45 cm) of the audio connector.
6. For UHF body-pack transmitters, keep the microphone cable well away from the transmitter antenna.
7. Do not allow receiver antennas to touch each other. For best results, keep antennas from different receivers at least 10 inches (25 cm) apart.
8. Mount receiver antennas as high as feasible, if possible at least 8 to 10 feet (2.5 to 3 m) above the floor or stage.
9. Make certain that wireless equipment is well maintained. After a long period of use, wireless receivers can lose sensitivity and the power from transmitters can drop. If range is not what it once was and there is no other obvious cause, consider having the system serviced.

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