Premium Member Stephen Sanchez Posted October 11, 2022 Premium Member Share Posted October 11, 2022 Other than resolution, what's the difference between the older HD Teradek Bolt and the new 4K versions? Are they the same tech, just with 4K bandwith? Or are the newer ones more reliable signal-wise? I've seen a bunch of old Bolt 300's on ebay and have thought about grabbing a set. But I'm not sure if they are now using more congested frequencies. Thanks folks! Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted October 11, 2022 Premium Member Share Posted October 11, 2022 The claim is that the Bolt 4K has higher reliability when operating in HD because of the larger bandwidth overhead. In practice it's often very difficult to isolate that sort of advantage from other sources of trouble, particularly the general RF environment which is quite busy at these frequencies. So in short yes, but it's not night and day. Link to comment Share on other sites More sharing options...
Gabriel Devereux Posted October 12, 2022 Share Posted October 12, 2022 Same chip manufacturer, As Phil said the greater overhead allows theoretically higher reliability at HD. However this is internal encoding and decoding into Amimon ‘language’ as Teradek (all Amimon chips) go through a 3:1 compression ratio to fit within the 40Meg carrier. The actual RF reliability itself - no difference. As said above, the greater bandwidth for encoding, decoding and rebuilding signal is greater. But, at the end of the day it’s a 2 way mimo TX to a 4 way mimo RX with the same constellations and so forth. We found the Boxx, Vaxis transmission systems as reliable and non-DFS compliant and no pairing (which is better for high density RX’s) Link to comment Share on other sites More sharing options...
Gabriel Devereux Posted October 12, 2022 Share Posted October 12, 2022 1 minute ago, Gabriel Devereux said: Same chip manufacturer, As Phil said the greater overhead allows theoretically higher reliability at HD. However this is internal encoding and decoding into Amimon ‘language’ as Teradek (all Amimon chips) go through a 3:1 compression ratio to fit within the 40Meg carrier. The actual RF reliability itself - no difference. As said above, the greater bandwidth for encoding, decoding and rebuilding signal is greater. But, at the end of the day it’s a 2 way mimo TX to a 4 way mimo RX with the same constellations and so forth. We found the Boxx, Vaxis transmission systems as reliable and non-DFS compliant and no pairing (which is better for high density RX’s) Note my 3:1 compression ratio was for HD streams. No clue about UHD. Teradek and Amimon are very hush hush about the internal workings. Link to comment Share on other sites More sharing options...
Premium Member Stephen Sanchez Posted October 16, 2022 Author Premium Member Share Posted October 16, 2022 On 10/11/2022 at 9:26 PM, Gabriel Devereux said: We found the Boxx, Vaxis transmission systems as reliable and non-DFS compliant and no pairing (which is better for high density RX’s) Hey Gabe! You are always a wealth of knowledge. Thanks, brother. Link to comment Share on other sites More sharing options...
Gabriel Devereux Posted October 16, 2022 Share Posted October 16, 2022 53 minutes ago, Stephen Sanchez said: Hey Gabe! You are always a wealth of knowledge. Thanks, brother. Thanks Stephen, On a side note, Boxx, Teradek, and Vaxis use the same Amimon chips (the FHD models not 4k models). So the compression, RF transmission and reconstruction is the same. The only difference is Teradek was more compliant with RF regulations (which makes a easier to market but a worse product). Link to comment Share on other sites More sharing options...
Kemalettin Sert Posted October 16, 2022 Share Posted October 16, 2022 42 minutes ago, Gabriel Devereux said: Thanks Stephen, On a side note, Boxx, Teradek, and Vaxis use the same Amimon chips (the FHD models not 4k models). So the compression, RF transmission and reconstruction is the same. The only difference is Teradek was more compliant with RF regulations (which makes a easier to market but a worse product). Yes! you ll always end up having problems with Teradek in places like stadiums etc. where $500 Vaxis works like a charm. Link to comment Share on other sites More sharing options...
Gabriel Devereux Posted October 16, 2022 Share Posted October 16, 2022 1 hour ago, Kemalettin Sert said: Yes! you ll always end up having problems with Teradek in places like stadiums etc. where $500 Vaxis works like a charm. To a certain degree! The 500$ Vaxis system you talk about is a 264 encoder going to a WiFi Radio that can to P2P but also can go to an iPad and so forth (I believe that's the product?) That's more of a different VoIP product that, with WiFi, has Restream capability, channel jumping and so forth; it also has a smaller carrier than an Amimon-based product, so with saturated WiFi channels, it can 'fit'. The downside of a VoIP product is that it has inherent latency - Amimon is less than two scan lines (0.06ms, I believe?) whereas with VoIP you're looking at a 2-frame+delay (100-300ms) with cumulative latency if it's all on the same network. The Vaxis Storm and Boxx Atom unit has the same Amimon chipset as the old Teradek Bolt but it doesn't comply with DFS, Vaxis doesn't comply with WiFi channel bands (it goes crazy into 'illegal' spectrum) which therefore is a better product as you can operate outside of the legal range, lower noise floor (no competition from WiFi) and no DFS (scanning for one minute when booted - its WiFi 802.11ax compliance). Link to comment Share on other sites More sharing options...
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