Band? or channel? I've fiddled with some settings but i can't get it over 40mb.
What are you using to test it ? I've had mine installed yesterday and the engineer asked me to do a speed check on speed test.net, on wireless it gave me 50 but as soon as I booted up newsgroups I was downloading at 70 speeds. I think the online checkers are a load of rubbish tbh.
Ok so here's an update for me and my Draytek 2750n router if anyone is interested. I keep mentioning the name and model number to help anyone searching for a similar problem.
tl:dr
Infinity installed Friday, disconnects every 12-24 hours
Draytek 2750n arrives Tuesday, disconnects every 2-3 hours
Managed to get Draytek 2750n stable for 7 hours and counting after disconnecting phone/sky box/all ethernet and disabling the wifi. Will continue testing to establish what was causing the drop outs.
New info
After getting home last night and seeing that the system uptime was about 22 hours but the WAN uptime was only 49 minutes I set about checking as much as I could in order to leave it overnight again to see how it went. Key stats before I started these tests were
attainable 14330 48029
First I checked the OLD master socket by the front door. After taking the front off it was clear that the installer had done as I expected and bypassed it with what looked like some kind of wago type crimp connector. This old master socket is now just a box that hides the connection from outside telephone wire to internal extension to new master socket, the socket is not wired in at all.
Next up was the new master socket in the living room. This socket used to have an extension that came out and round to another phone point in the room. When the installer had to put a new box on the wall I told him that I didn't mind if he couldn't connect that extension up as it was rarely used, his reply however was "No, it'll be fine". After opening the box up apparently it wasn't fine at all and the wire was pulled through but not connected up. Not a major issue as I said, we don't use it. But it would have been nice to be told since he took the time to pull the cable through the bloody box!
Anyway, everything else was fine, master socket goes back on the wall.
I then spent 90 minutes testing the 3 different firmwares that I had available (the pre installed 1.5.1.2, 1.5.2 RC1 and 1.5.2 RC3) so that I had more info to give broadbandbuyer should I have to return it.
With the pre installed 1.5.1.2 firmware I was completely unable to get online. No matter what I did. With RC1 and RC3 however it went online just fine. The issue seemed to stem from the Draytek 2750n thinking that it was in 1970 and on the 1.5.1.2 firmware it couldn't connect as a result. On the two beta firmwares it still thought it was in 1970 but it would connect up and then change the time. Perhaps the time had no relation to being unable to get on on the original firmware at all.
The trick which eluded me previously was to turn the router on WITHOUT the RJ11 plugged in. Let it boot up and THEN put the RJ11 in to connect to the web, it would hook up and then change the date and time on it's own. If it booted up in 1970 with the RJ11 connected it refused to connect. Despite this, this trick still did not work on the originally supplied 1.5.1.2 firmware.
Finally I unplugged the phone and skybox from their splitter and from the Master socket, unplugged all 4 ethernet cables from the Draytek 2750n and reset the Draytek 2750n to defaults. Then I flashed the new final 1.5.2 firmware (only on the draytek.com site, not on the draytek.co.uk site). Once done I configured it only to connected to the web, I changed nothing else. I then plugged the RJ11 in and it connected up and changed the time. Then I turned the WiFi off.
My plan was to remove any and all external influences from the kit so that I knew that those things were not causing a problem.
That was all finished by 22:19 last night. Key starts were
actual 11999 54812
attainable 13838 54812
At 05:45 this morning I checked (pressed the WiFi button on the side to turn the WiFi on) the status again. Up time, 7:33:00. Wan connection time 7:29:00.
So it seems that one of the phone/sky/ethernet ports/WiFi/firmware were responsible for the drop outs that were happening every couple of hours. I'm not out of the woods yet so I'll continue like this for now. By the time I get home it should have been up for around 22 hours and then by the time I get home tomorrow night it should be around 46. If that does indeed prove to be the case I will start plugging things back in one by one over the next 4 days that I am off so see if I can work out what was causing the dropouts.
Well the Draytek 2750n is going back tomorrow. Just filled in the return form.
Got home last night and it had disconnected again despite doing so well overnight. This time however it couldn't connect up again. connected the BT kit up and it went on first time.
Connected the 2750n back up, tried different firmwares, tried factory resets. Nothing could get it back online.
I am suspicious now, you have similar problems as me, I also have a 2750n, running latest firmware.
The 2750n runs rock solid, then you get very brief disconnections, of about 40 seconds before the Draytek recovers, this can happen sometimes several times a day, then nothing for a week.
Also getting disconnections occasionally when using BT kit, so I still think it's a BT issue.
There's a 16 page 'Draytek Vigor 2750n Connection Issues' thread on the BT site here. I haven't looked at it as I'm using the BT Home Hub.