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karlw

Lectrosonics Announces 941 MHz Band Products

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Cool! Karl can you elaborate on the following section of your press release:

 

Parts of these bands are shared with MAS (Multiple Access Systems) and some fixed microwave devices. Operators using the 941-960 band should always coordinate their frequencies with the local office of the SBE (Society of Broadcast Engineers), whenever possible, and take care to select frequencies that are least likely to result in interference with other licensees in the same area.”

 

 

This sort of reads like the broadcasters have dibs on this spectrum since it was exclusively reserved for them previously. 

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Hi Derek,

 

Here's what the FCC says:

 

From the FCC regulation Part 74.803

 

c) In the 941.500-952.000 MHz, 952.850-956.250 MHz, 956.45-959.85 MHz, … bands low power auxiliary station usage is secondary to other uses (e.g. Aural Broadcast Auxiliary, Television Broadcast Auxiliary, Cable Relay Service, Fixed Point to Point Microwave) and must not cause harmful interference. Applicants are responsible for selecting the frequency assignments that are least likely to result in mutual interference with other licensees in the same area. Applicants must consult local frequency coordination committees, where they exist, for information on frequencies available in the area. In selecting frequencies, consideration should be given to the relative location of receive points, normal transmission paths, and the nature of the contemplated operation.

 

 ***

 

Note that it says “Applicants” are responsible for selecting frequencies. And that they must consult committees “where they exist”. 

 

In short, scan and avoid anything you see that is already there, as you normally would anyway. 

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Hi Karl,

Nice to hear about expanded frequency options for a change...

Do you know whether these frequencies are viable for use in Canada?

Cheers,

Brent Calkin

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Brent, there is an effort to make these frequencies available in Canada but we don't yet know the outcome. Our Toronto office has been working with RABC on this issue. Keep your fingers crossed! If you are looking for details on the status, progress, etc. check with Colin Bernard - he is the point person on this. 

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It has to be super short, I was thinking the same thing... BLK 28 is pretty short..  BLK 19 is pretty long, I would think this must be only 2 in. or so...  I would think..  This is a lot higher than BLK 28 LOL

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Here in Europe most of the 900 band seems to be occupied by the GSM-900 network. Is that not the same in the US? Or did they have to vacate that at some point?

Or does this mean that this new 941 gear is not going to make it across to Europe?

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21 minutes ago, jwill said:

Are boards going to be made for 411s' and 401s'?

That tumbleweed is a faint speck, way off in the distance.

Best Regards,

Larry Fisher

54 minutes ago, Constantin said:

Here in Europe most of the 900 band seems to be occupied by the GSM-900 network. Is that not the same in the US? Or did they have to vacate that at some point?

Or does this mean that this new 941 gear is not going to make it across to Europe?

Hi Constantin,

In the US, some of the new block was already dedicated to live production broadcast users and other remote station control (STL) transmissions. The FCC merely (!) allowed part 74 wireless mic users to use the new frequencies for TV and film production with relaxed rules. This probably won't happen in Europe.

Best Regards,

Larry Fisher

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On 6/17/2018 at 3:54 PM, LarryF said:

That tumbleweed is a faint speck, way off in the distance.

Best Regards,

Larry Fisher

Hi Constantin,

In the US, some of the new block was already dedicated to live production broadcast users and other remote station control (STL) transmissions. The FCC merely (!) allowed part 74 wireless mic users to use the new frequencies for TV and film production with relaxed rules. This probably won't happen in Europe.

Best Regards,

Larry Fisher

 

Thanks Larry, as always very helpful! Although the answer is a little bit disappointing. On the other hand, here in Europe we can still use  frequencies up to 694MHz until at least 2030 (or so they said...), so we are somewhat lucky. Still, no scan looks as good as those 941 scans...

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Out of curiosity, is Lectrosonics considering anything in the 1790-1800 MHz range? Australia has reshuffled and it looks like it is now used exclusively for wireless audio. Sennheiser has started making and selling products in the range, for example. 

 

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