Thanks, I understand DECT is likely never to be supported and VDSL is not guaranteed either.
I'm really just interested in more consistent 802.11ac performance than the Archer C7 while waiting for OpenWRT supported 802.11ax devices to come out (I bet that will be a while coming).
I think I will hold off trying until someone can confirm if performance is acceptable or not as I don't fancy trying to get stock firmware back on it if its not, if you even can.
I can only speak for a single Client 2SS <-> AP scenario, but i managed to get ~500Mbit/s to the LAN side. However, I can't speak for if it's worth the upgrade from a C7. From the raw WiFi speeds when directly near the device i had with neither of those devices any problems.
However, in case you consider buying one, i would go for the 4040. It has the downside of having less flash, but it sports an additional WAN port, additional USB 2.0 port but has the same core chipset. Way back to stock is relatively easy in case you have access to a Windows computer (on this device I've tested it personally, but i could try the same with the 7530 and report back if you wish).
The recovery tool can be obtained from AVM's FTP server: http://ftp.avm.de/
I use custom scripts to aggregate a list of all connected clients, for security and to monitor range/connection issues, which is why if I can get that performance on OpenWRT then that would be great. I can repurpose the C7 on my friends cable line which is using an older WDR3600 that can't quite handle his full speed with QoS enabled.
Also that folder has the uploader for the 4040 instead of the eva_ramboot.py so I took the latter from github.
Everything seems to have gone fine, just need to configure it now.
UPDATE:
Everything works fine from boot but if you try to restart WiFi you get the following error and 5Ghz never comes back up, you have to power cycle.
[ 1154.642701] ath10k_ahb a800000.wifi: peer-unmap-event: unknown peer id 0
Apart from that speed seems much more stable than the Archer C7 (Channel 52 80Mhz Reg: GB):
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Keep in mind that the Fritz!Box 7530 not only employs this new Intel/ lantiq VRX518 modem chipset, it also operates it outside of its natural habitat, connected via PCIe on a little endian QCA4019 ARMv7 system SoC.
For comparison, keep in mind that the Netgear D7800 is in a similar situation. Available since 2015, QCA IPQ8064 combined with a lantiq VRX320 modem, while the router itself is supported, the modem functionality isn't available. While this (for both devices) shouldn't be impossible to get working, it would require significant work on these specific combinations.
Very interesting what you say. When you say "significant work" could this be a matter of months/years or maybe just of couple of weeks of focused work for an experienced person?
I would be really interested doing this work for all of us if I knew how to do it, even if it took months, but unfortunately my professional expertise lies outside the technology sector. I guess this is not a realistic target for a novice in that field like me, isn't it?
@blocktrron Did you get the serial console of the fb 7530 fully working. I am able to get data from the fritzbox, but cannot send anything to it. I've already tried an 10k pull-up on the rx line without success. Is there anything else to equip apart from the 4-pin-header?
Yes, I'm using this mapping and I also can the data on the rx-pin with my oscilloscope. My thought was now that perhaps still somewhere something must be equipped.
Other thought - which USB --> UART adapter are you using? I've found the cheap FTDI knockoffs not very reliable TX-wise in many cases - I've had much better experiences with a CP2102 based adapter.
The 7530 will be supported in the upcoming OpenWrt 19.07.0 release (and already is in snapshots), be aware that DECT support is unlikely to ever materialize and that the xDSL modem won't work for the time being either (this is more likely to become supported in the future than DECT, but it's also far from a done deal and will require significant efforts to get working - which might not happen either).
The 4040 might be a better option for running OpenWrt now, as it's basically the same hardware (for just over half the price of the 7530) - except for the functionality (xDSL modem/ DECT/ FXS) not supported in OpenWrt (yet) anyways.
That's good to know, I was just confused what qualifies a device to make the move over as its been in snapshots for quite some time now and performing great. (I use it most as an AP only but have used it as a 4G router too to link my phone into my pfSense router)
I got the 7530 for free from my ISP so cost was not an issue.