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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 :)

New Wireless Digital HD transmitter

Nils Ruinet

Nils Ruinet

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For those of you looking for a wireless HD transmitter, you should have a look at http://www.boxx.tv/
They just released a new product for wireless HD transmission.
Click on the banner on their main page.

I don't know the price, I haven't tried it, but I've been using their current models, and they are excellent (and quite affordable).
The new model seems to have a much lower delay, which is the main issue with the current one (about 1/2 second delay on the one I own).

Here is a quick quote from their pdf document (download it on their website for more info) :
Interface : HDSDI / SDI / component / composite
Format : HD All formats up to 1080p / SD PAL / NTSC 720 x 576 / 480
• Extremely high quality raw transmission
• Low latency <1 frame
• 5GHz licence exempt band
• Secure encrypted transmission
• Multiple viewers from one transmitter
• Automatic channel select
(seeks and locks onto cleanest frequency)
• Full manual configuration via USB
Click to expand...
For those who go to NAB, it's booth C3115, you should really have a look.
I'm not going to NAB, but I'd love to hear some feedback about this one.

I hope this helps.

Nils.
 
Yep, this is huge!

Now we only need the release date and a price....

(I wonder how they achieve 1 frame delay without ditching the redundancy.)
 
Nice...finally.
 
Am I reading it wrong or is it actually downconverting from HD-SDI and only transmitting in SD?

I guess it's still an advantage to have all that in one unit (instead of a Miranda or AJA box with a Transvideo or similar)...
 
on their site click on NEWS -press release then click on the CBS leads wireless etc

"The-boxx has also been used for video-assist on Emmy winning show Gray’s Anatomy (ABC), and live-to-air broadcasts by Sky Sports and BBC News.

The-boxx costs about £4,000 ($US7,000) and can be tailored to any
application where analogue transmission is not suitable. "
 
200 meters line of sight

200 meters line of sight

The PDF spec sheet says range is 200m line of sight. I didn't realize the 5GHz spectrum had that limitation. This would solve a lot of problems if it was capable of going through walls and ceilings (or crowds of people). Perhaps it can but with shorter range. Anyone know for sure?

It's still really cool though. Thanks for pointing it out.

Curious how much it costs though. Anyone have a ballpark range? I'm guessing you have to buy at least one transmitter plus the multi-channel receiver.

-shooter
 
Donatello answered your question above...

Cheers Shooter

ps--thanks for the info Slinnn.
 
graetzy said:
Am I reading it wrong or is it actually downconverting from HD-SDI and only transmitting in SD?

I guess it's still an advantage to have all that in one unit (instead of a Miranda or AJA box with a Transvideo or similar)...
Click to expand...
That's the actual model. You have an HDSDI option that downconverts the signal and transmits an SD signal. The new model is supposed to transmit the signal in HD all the way to the receiver.

Regarding price, it probably won't be cheap, but certainly more afforable than other similar systems.
For reference, I think the actual system with composite input costs around £5000 for Tx + Rx. SDI and HDSDI are optional.
Not exactly cheap, but it's the best wireless video assist I've ever seen, quality wise.

Let's hope the HD version will be in a similar price range...

Nils.
 
That picture there looks me familiar. :turned:
 
shooter said:
The PDF spec sheet says range is 200m line of sight. I didn't realize the 5GHz spectrum had that limitation.
Click to expand...

The higher the frequency, the less easily it passes through obstacles. That's why the recent 700MHz auction was such a big deal.

Despite the marketing hype for 5.8GHz phones and WiMax, lower freqs are better.
 
As Slinn said, the current model only transmits in SD using either Mpeg-2 or Mpeg-4 compression at 1/2 sec and 1/6 sec latency respectively.

The big thing about the new model is full HD transmission and only 1/25 sec (1 frame) latency. It sounds like intraframe jpeg200 to me....

Range is also just one thing to consider, ecco and occlusion are other problems that will mess with your signal when it's bouncing around indoors.

I must say my experience with the SD version has been very very good. It's just that delay that is annoying.
 
There's another one from a major battery manufacturer that will debut tomorrow at NAB. There will be many things announced officially tomorrow. I can't believe some of the gear I've seen.
 
Good: uncompressed, only $6000
Bad: max. 150 feet outdoors, still in prototype form
 
CrewPix.com said:
The higher the frequency, the less easily it passes through obstacles. That's why the recent 700MHz auction was such a big deal.

Despite the marketing hype for 5.8GHz phones and WiMax, lower freqs are better.
Click to expand...
Yes you're right.
However, the 'old' boxx model I use gives you the choice between 2.4 and 5 GHz. At the begining I used the 2,4 GHz option, thinking it was better. But finally, after trying both, I found out that the 5 GHz seemed to work better. I don't know exactly why.

And I think on the new models, they've completely dropped the 2,4 GHz option.
Here is the explanation they gave me :
"The 2.4GHz modules have been discontinued due to excess congestion in
this frequency band.
In all cases, tests conclude that the 5GHz far outperforms the 2.4GHz band."

So maybe 5 GHz is not that bad, after all...
And 200m line of sight is quite a nice range actually.

Nils.
 
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