will a router transmit the same strength or repeater

thebobby1979 · Sep 5, 2013

Hi i have a Cisco router flashed with dd-wrt firmware and i was wanting to know my E2500 router has 300 Mbps and i was wanting to add a wireless repeater to extend my wireless signal for better coverage of the house. so my question is would a 54 Mbps repeater be able to broadcast the same strength as my my Cisco E2500 router even if the repeater isn't rated for 300 Mbps? thank you

bliq00 · Sep 5, 2013

the answer is no. what speed the repeater will transmit at though is a question. I'd guess half of 54, I know there's a large overhead in the process of repeating, I think it's half. And that's at ideal situations.

thebobby1979 · Sep 5, 2013

bliq00 :

Oh so what you are saying is even if my router is 300 Mpbs when the signal gets to the repeater it will lower to what the repeater has like if it's a 54 Mbps that's what the signal strength will be?

bill001g · Sep 5, 2013

Be very careful signal strength does not have much to do with Mbps it is mostly a measurement of radio power.

When you look at a repeater what you get is one connection to the main router and a second connection to the end users. So the connection back to the main router will only be the maximum the repeater can run. In this case 54m. Now since most things people call repeaters only have a single radio it will send the exact same data out on the same exact radio frequency. So the very best you can do is get 1/2 the speed so now you are down to 27m. Even worse is that you also send the data back toward the main router. This means you actually increase the interference with the main router. The main router cannot talk to anyone else during this time.

You should avoid using a repeater unless you have no other option. Then if at all possible get a repeater that can actually use multiple radios. Say talk to the main router on channel 1 and talk to the users on channel 11. Many outdoor repeaters use 5g for backhaul to the router and then talk to the users on 2.4g. Unfortunately it is hard to find a repeater that users its radios in this way, all the manufactures are selling the cheapest junk they can make to fools that think its like buying a extension cord for a lamp.

thebobby1979 · Sep 5, 2013

bill001g :

Be very careful signal strength does not have much to do with Mbps it is mostly a measurement of radio power.
So would dd-wrt make it possible for multiple radio signals or not since it's said to have corporate style software on it?
When you look at a repeater what you get is one connection to the main router and a second connection to the end users. So the connection back to the main router will only be the maximum the repeater can run. In this case 54m. Now since most things people call repeaters only have a single radio it will send the exact same data out on the same exact radio frequency. So the very best you can do is get 1/2 the speed so now you are down to 27m. Even worse is that you also send the data back toward the main router. This means you actually increase the interference with the main router. The main router cannot talk to anyone else during this time.

You should avoid using a repeater unless you have no other option. Then if at all possible get a repeater that can actually use multiple radios. Say talk to the main router on channel 1 and talk to the users on channel 11. Many outdoor repeaters use 5g for backhaul to the router and then talk to the users on 2.4g. Unfortunately it is hard to find a repeater that users its radios in this way, all the manufactures are selling the cheapest junk they can make to fools that think its like buying a extension cord for a lamp.

thebobby1979 · Sep 5, 2013

bill001g :

Be very careful signal strength does not have much to do with Mbps it is mostly a measurement of radio power.
Well what about a wireless access point different or the same or not better?
When you look at a repeater what you get is one connection to the main router and a second connection to the end users. So the connection back to the main router will only be the maximum the repeater can run. In this case 54m. Now since most things people call repeaters only have a single radio it will send the exact same data out on the same exact radio frequency. So the very best you can do is get 1/2 the speed so now you are down to 27m. Even worse is that you also send the data back toward the main router. This means you actually increase the interference with the main router. The main router cannot talk to anyone else during this time.

You should avoid using a repeater unless you have no other option. Then if at all possible get a repeater that can actually use multiple radios. Say talk to the main router on channel 1 and talk to the users on channel 11. Many outdoor repeaters use 5g for backhaul to the router and then talk to the users on 2.4g. Unfortunately it is hard to find a repeater that users its radios in this way, all the manufactures are selling the cheapest junk they can make to fools that think its like buying a extension cord for a lamp.

bill001g · Sep 5, 2013

Hard to see the updates when you make them like that.

Although in theory dd-wrt could use a router that had a 2.4g and 5g radio and use one to talk back and the other to talk to users I don't know why they have not done that. Not much you can do with a single radio router since a lot of the function is down in the chipsets themselves rather than the software in the router.

A AP is a great solution to extend the wireless in your house. This is how almost every corporate network is built to get good coverage. The downside is you must have a cable between the main router and the AP.

Now you can build your own dual radio repeater by using a router in client mode or a client bridge that you then cable directly to a AP. You would use the bridge and its radio to talk to the router and the AP to talk to the users machines.

thebobby1979 · Sep 5, 2013

bill001g :

Hard to see the updates when you make them like that.

Although in theory dd-wrt could use a router that had a 2.4g and 5g radio and use one to talk back and the other to talk to users I don't know why they have not done that. Not much you can do with a single radio router since a lot of the function is down in the chipsets themselves rather than the software in the router.

A AP is a great solution to extend the wireless in your house. This is how almost every corporate network is built to get good coverage. The downside is you must have a cable between the main router and the AP.

Now you can build your own dual radio repeater by using a router in client mode or a client bridge that you then cable directly to a AP. You would use the bridge and its radio to talk to the router and the AP to talk to the users machines.

Oh wow do you or can you link me to some documentation on how to setup the client bridge? thank you

bill001g · Sep 5, 2013

It is nothing special and either a router has the feature or it does not...which is why I am careful to call it client-bridge. Some routers call their AP mode bridging which is more a technicality since all AP are bridges by definition. dd-wrt of course supports client-bridge mode.

If you go looking for a non router device they are also called client adapters or gaming adapters. Before game consoles came with only ethernet ports the most common reason to buy one was for connecting a gaming console so they were called gaming adapters by the advertisers. They are still very commonly used to hook up older network capable tv. I doubt anyone users them much on PC anymore because USB is much cheaper.

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