Unofficial Mackie User Forums > DL1608/DL806/DL32R/ProDX Mixers
Beware of Placing Wireless Mic Receivers Near Apple Router
gerenm63:
--- Quote from: WK154 on July 07, 2015, 03:45:10 AM ---
--- Quote from: gerenm63 on July 07, 2015, 02:21:19 AM ---
--- Quote from: WK154 on July 07, 2015, 02:07:10 AM ---It's the lower frequency, longer distance for the same power. So a 500 Mhz vs. 2400 Mhz makes a big difference.
--- End quote ---
Oddly, this doesn't seem to hold true for 2.4GHz in other use areas. For instance, radio control hobbyists enjoy the same or greater range, with less interference, using 2.4GHz digital systems as opposed to the 72MHz FM and digital systems that are being phased out -- and the 2.4GHz gear operates at lower power.
I've been having to do a fair amount of research on 2.4GHz equipment lately for other reasons, and from what I can see, if there's a problem going on with interference between wireless routers and wireless mics, something is not playing by the rules with regards to the 2.4GHz ISM space.
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Oddly enough the laws of physics still hold true even though some would think otherwise. 72 Mhz has more distance capability than 2.4 Ghz.
--- End quote ---
Anecdotal experience proves otherwise. Yeah, I know. Theoretically, it's a physics thing.
But, as Yogi Berra said, "In theory there is no difference between theory and practice. In practice there is."
And as an engineer working in television by day, and musician and working sound guy by night (and weekend), I can certainly attest to that. :)
Cheers!
gerenm63:
--- Quote from: sam.spoons on July 07, 2015, 08:51:47 AM ---Given the probably future overuse of the 2.4GHz band I would be very wary of a 2M wingspan 250mph model jet aircraft controlled by the same wireless as my smartphone turning into a 2M/250mph unguided flying bomb :facepalm:
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The R/C manufacturers are very careful to play by the rules. With the 2.4GHz stuff, there are safeguards in place to keep one pilot from inadvertently interfering with another's aircraft. With the older systems, the only safeguard is being sure you're transmitter is turned off when you don't have the proper clothespin attached to your antenna.
sam.spoons:
Very few people other than the fliers will have a 72MHz TX set in their pocket though where there'll be dozens of 2.4GHz devices in the vicinity, that, coupled with the interference problems we encounter driving something as relatively harmless at a PA system is what worries me. The RC aeroplane operators are responsible guys and abide by the rules, the 300 spectators with their smartphones trying to connect to the cafe's free wifi is entirely another matter :o
gerenm63:
--- Quote from: sam.spoons on July 07, 2015, 12:12:22 PM ---Very few people other than the fliers will have a 72MHz TX set in their pocket though where there'll be dozens of 2.4GHz devices in the vicinity, that, coupled with the interference problems we encounter driving something as relatively harmless at a PA system is what worries me. The RC aeroplane operators are responsible guys and abide by the rules, the 300 spectators with their smartphones trying to connect to the cafe's free wifi is entirely another matter :o
--- End quote ---
What I'm saying is that 2.4GHz in that environment is proven technology and is not a problem. It, like WiFi, operates in the 2.4GHz ISM (Industrial/Scientific/Medical) spectrum, where it can't be a problem -- or people get hurt or die. Further, I would suggest that if a wireless mic system is causing or having problems in an environment with WiFi, then the wireless microphone equipment is most likely at fault. Either it's not "playing by the rules," or the design is inferior in some way.
RoadRanger:
What are these rules you speak of? AFAIK there are no coexisting "rules"?
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