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Which television stations should I avoid when using a wireless microphone?

Many professional wireless microphones use the same frequencies as broadcast television stations. Direct conflict with a TV signal causes short range or dropouts. Though it is not possible for an wireless mic ...


What is intermodulation?

This is a excerpt from Selection and Operation of Wireless Microphones. Frequency Selection Selecting the operating frequency of a wireless audio system is a two-step process: first, choose an appropriate radio frequency b...


Educational Articles - Online booklets and bulletins

Educational Articles Expand your knowledge and get the most out of your equipment. PDF ARTICLES Antenna Set-up for Wireless Systems These recommendations are useful guidelines to help achieve satisfactory pe...


RF signal loss in cable runs - impedance or cable length?

RF signal loss due to the length of the cable run is far more significant than loss due to an impedance mismatch. Using a 100 foot run of 75 ohm antenna cable with low loss is better than using a 100 foot run of 50 ohm antenna ca...


Selecting bands/channels for new wireless systems using Wireless Workbench 6 tutorial

If you are only needing a few channels, often the online Frequency Finder can be used to determine which band to purchase. For larger wireless setups, the Wireless Workbench 6 (WWB) software can be used to coordinate frequencies ...


How to calculate RF signal loss in coaxial antenna cable

Indeed it is important. Shure has a remote antenna tool to help determine which cables and amplifiers to use at: Wireless Mic Remote Antenna Tool Here is an online calculator for cable loss: http://www.timesmicrowave.co...


How do you use effects with wireless guitar system.

This is an excellent question. The typical connection scheme is: Guitar output to wireless transmitter input; RF connection from transmitter to wireless receiver; receiver output to first effects pedal input; last effect pedal ou...


Does the human body block or absorb RF energy?

The human body is both a reflector and an absorber of RF energy. This is likely to be even more apparent at higher frequencies, e.g. 2.4 GHz. Try this experiment. If you have a portable FM radio, tune in a station and do a 3...


Collection of Wireless Troubleshooting Links

Wireless troubleshooting is difficult when on site. Via telephone, it is even more difficult. Via email or chat, it is nearly impossible. The root issue is that there are multiple variables which affect wireless microphone instal...


How do I connect a Sennheiser MKE2 to a Shure bodypack?

DISCLAIMER: This bulletin was written with information provided by Sennheiser. Shure is not responsible for damage caused to a Sennheiser microphone if this circuit proves incorrect. There are two methods to wire a Sennheiser...


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