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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Choosing a Block for Wireless

T

Tim Duran

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Are there preferred blocks to choose when buying wireless systems? I went to the FCC site and found that most of the bigger TV stations in my area seem to be broadcasting in the mid 500 to high 600kH range. But how important is that if you get a job 200 miles away?
 
It all depends on the area. There aren't any fast-and-true rules that will work everywhere in North America. Talk to mixers or pro sound dealers in your area and ask them what seems to work. Alternately, do a frequency scan in the area on good receivers (like the Lectro 411 or Venue series) and watch for spikes and hash in the display.

Blocks 27-28 (700MHz+) are about to be verboten as of June 2010. I'm a fan of Block 19, but those are relatively new, right around UHF channels 15-17.
 
I made the mistake of being a used Lectrosonics pair, only to find out that 6 months after I bought it, the block was being made illegal in the states due to the HD TV transition. The cost to re-chip them from Lectrosonics is more than what I paid for the pair. I highly recommend you don't make the same mistake I did.
 
Aaron, I almost made that mistake myself. There are some sneaky sellers on eBay if that's where you were looking. This is a good reason to stay on top of the Reduser blogs. There have been a number of Reduser comments on the 27-29 blocks becoming off limits over the last year or so. If it wasn't for the cooperation of our fellow readers, a lot of us may have made that mistake.
 
Aaron, it's not too late to sell the wireless units to foreign users on eBay. Blocks 27-28-29 are still 100% legal in many countries outside of the U.S.
 
While we are talking about wireless blocks is anyone here familiar with what blocks are legal in Japan? In particular, is block 28 ok in Japan?
 
"...is block 28 ok in Japan?"

No. Frequency ranges in Japan that are available for Broadcast generally run higher (in the 779MHz-809MHz range). What's almost as important is that in Japan, radio mics are limited to a 10mW output............like Sony mics, for example.
 
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