What's the deal with wireless units band A/B/C ? ?
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https://www.shure.com/en-gb/support/wireless-spectrum Start your voyage of discovery. In a nutshell it depends on where you are if you want to buy a licence or stick to free frequencies and run the risk of them being interfered with .And obviously stay legal
If you’re planning to buy a modern unit then Shure and Sennheiser offer lots of support in coordinating your RF.
Certain models have the capacity to scan the environment and report to software on your laptop (Shure Wireless Workbench, for instance) which can give you a clear idea of your options.
Certain models have the capacity to scan the environment and report to software on your laptop (Shure Wireless Workbench, for instance) which can give you a clear idea of your options.
the reason i ask is they are listed on Thomann with different bands. When i went on the Sennhesier website and selected UK as my location it defaulted to band A so I guess that's the correct option here ?
I think that you can also use the Thomann site to see in which regions any of their products can be used. It will show you if a band is free, needs a licence or is not leagal.Moltisanti said:the reason i ask is they are listed on Thomann with different bands. When i went on the Sennhesier website and selected UK as my location it defaulted to band A so I guess that's the correct option here ?
There's only one slice of RF spectrum that's free to use legally in the UK, which is 863-865 MHz and falls within Sennheiser band E. If there's multiple units operating in this range in close proximity you can only really get four of them working happily together before you run in to issues.Moltisanti said:the reason i ask is they are listed on Thomann with different bands. When i went on the Sennhesier website and selected UK as my location it defaulted to band A so I guess that's the correct option here ?
Lots of professional kit uses the 606-614 MHz range which is covered by the OFCOM PMSE Shared License. This costs £75/year. This falls in the Sennheiser GB or GBw bands.
Both of those Sennheiser bands mentioned (and the Shure equivalents) will also tune to frequencies outside of those mentioned, which are technically not legal for free use or under PMSE.
Professional productions do use frequencies outside of those areas but they're specifically licensed for each occasion of use.
Edit to add: Sennheiser Band A isn't legal for use in the UK without event specific licensing. Don't buy that one!
thank Mike that's exactly what i was looking for
What's the story, and what do you need in the UK ?