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Thread ID: 142356	2016-06-18 01:45:00	Modem/Router as repeater?	B.M. (505)	Press F1

Post ID	Timestamp	Content	User
1422087	2016-06-18 01:45:00	Ok, as covered in a previous Post I’m now connected to ultra-fast fibre that isn’t ultra-fast at all, only being able to manage 20Mbps download when the plan is for 100Mbps. Now this has been blamed on it being Wireless between the new Fibre Modem and my computer. Soooo, I was wondering if I could use my now redundant old NetComm NB6Plus4W ADSL2 Plus Modem/Router as a repeater (just a router) to try and enhance performance? There would only be the one Desktop Computer using the Netcomm Modem/Router (if it’s possible) with the laptops working wirelessly direct to Fibre Modem as 20Mbps is fast enough for them anyway. Any thoughts? :thanks	B.M. (505)
1422088	2016-06-18 07:57:00	You could set the netcomm up as a repeater, not to sure how well it would work though. www.manualslib.com The manual on how.	wainuitech (129)
1422089	2016-06-18 19:49:00	Thanks Wainui, I'll follow up. Could be an interesting exercise?	B.M. (505)
1422090	2016-06-19 06:14:00	OK, so I've spent a little time on this exercise and have come to the conclusion I have no idea what I'm doing! However, faint heart never won fair lady so I'll battle on. Where I'm up to is the "Repeater" can see what's available but clicking the box to select vodafone4425 (or either of the other two) does nothing. For some reason they can't be clicked for selection. I guess the fact they can be seen is a bonus, but why can't I select the one I want? 7266	B.M. (505)
1422091	2016-06-19 11:25:00	If it is really acting as a repeater, you won't get better speed. In fact, you only get half the bandwidth from a repeater because of the half duplex nature of wireless transmission. You really need to hook your computer up via an ethernet cable to test the fibre connection speed to ensure you are provisioned correctly for 100/20 speed. Then you need to check what type of wifi card you are using in the computer, like is it b,g or n. It is also useful to know what signal strength you are getting at the comp. For comparison, my notebook, with a n wifi card, gets around 40/21 Mbbs on a 100/20 fibre connection.	linw (53)
1422092	2016-06-19 23:08:00	If it is really acting as a repeater, you won't get better speed . In fact, you only get half the bandwidth from a repeater because of the half duplex nature of wireless transmission . You really need to hook your computer up via an ethernet cable to test the fibre connection speed to ensure you are provisioned correctly for 100/20 speed . Then you need to check what type of wifi card you are using in the computer, like is it b,g or n . It is also useful to know what signal strength you are getting at the comp . For comparison, my notebook, with a n wifi card, gets around 40/21 Mbbs on a 100/20 fibre connection . Thanks for that linw . Yes, there seems to be some debate about the benefits of the repeater use . But to answer your question the adapter is a 802 . 11n USB showing 5 Bars, and the Fibre Modem is line of sight through a open door about 11M away . The other thing I can't get my head around is that the UP speed is always higher than the Down speed with the up speed being the 20Mbps as it should be, but the Down speed dropping to 14Mbps at times which leaves me no better off than with ADSL . Anyway, I'll hook a laptop onto the Fibre Modem via Ethernet Cable and see what speed it can muster . I don't really feel like climbing under my desk and disconnecting everything from my Desktop to use it . Here's the signal strength . 7267	B.M. (505)
1422093	2016-06-20 00:39:00	Yea, get the speed, using ethernet cable, checked out 'just in case'. Eliminates one excuse!	linw (53)
1422094	2016-06-20 02:37:00	Ok, took laptop to Fibre Modem and connected with 1M Ethernet cable. This was the result first run using OOKLA. :eek: 7268 So ran again and got this. 7269 So I thought I'd try Vodafone's own speed test although it looks like it might be run by OOKLA also and got this. 7270 And just for fun ran Vodafone test a second time and this. 7271 Beats me what the hells going on???????????? :)	B.M. (505)
1422095	2016-06-20 05:17:00	, you only get half the bandwidth from a repeater because of the half duplex nature of wireless transmission Yes the 3 radios (one at each end and the repeater in the middle) are all half-duplex, meaning they can't transmit and receive at the same time, but the airwaves might be only one third-duplex. 2 of the 3 radios need to be silent while the other one transmits. (assuming all 3 radios can see each other interference-wise). There must be quite a lot of overhead in each of the radios listening for a suitable time to transmit. Also, there is a finite changeover time for each radio to switch between transmit and receive. I've heard that putting in a repeater can reduce throughput by x4. That was roughly what I found when I did a test	BBCmicro (15761)
1422096	2016-06-20 06:21:00	Well, stone the crows, I would never have guessed there was any use for half duplex transmission these days . I thought that was WW2 technology and of little use today . (Over) ;) They should have made Mobile Phones half duplex too . :) Ok, there has to be a reason, but I’m buggered if I can think of one, so you’ll have to tell me . I wonder if they will bring back earth working telephones . (Just thinking out loud) :rolleyes: Anyway, accepting that it isn’t April 1st and you guys aren’t having me on, I accept that if the repeater is half duplex and the present signal strength is 5 bars it is an exercise in futility pursuing the additional router/repeater’s installation . On the other hand, I’d still like to install it just to see how much further deterioration in speed there is . :D	B.M. (505)
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