RF: Finding Open Frequencies

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rfrackI don’t know about anyone else, but when I go on tour I become not only an engineer, but the RF tech as well.

While once upon a time this wasn’t a big deal, now with the digital TV transistion and  5 IEM units in the 700 MHz band (trying to get funding to trade in) and 4 other RF devices it can be a challenge to make sure they transmit flawlessly every night.

While finding frequencies can be a bit of a hassle, here’s a quick little tip to make sure night by night you’re RF Frequencies stay clear with out purchasing software, hardware, or scanning all day.

I’ve been using Sennheiser’s Frequency Finder almost religiously over the last 6 months, and it hasn’t let me down.  Best of all, all you need is an Internet Connection and a Browser.  That’s it.  No, Really.

http://www.sennheiserusa.com/findfrequency/ is the home of Sennheiser’s Frequency Finder, and all the input that is needed is a City name or Zip Code, and you’re off and running.  You can also input the frequencies you want to search, as well as the Attenuation level needed…

Sennheiser’s Frequency Finder not only shows you a list of frequencies, who and or what is occupying them, as well as available frequencies, but via Google Maps shows you the origin point of the signal!

This has saved me in Large Metropolitan areas (see: LA, Chicago and NYC), and hopefully now it’ll help you find open frequencies.

Sennheiser’s Frequency Finder

Shure has a Wireless Frequency Finder as well, but it requires a model input, and only shows results in that model’s frequency range… While the Sennheiser site offers the full wireless spectrum.

Shure’s Wireless Frequency Finder

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