I don't have an 802.11n router since I use the 802.11g router from Verizon FiOS, but a co-worker keeps telling me that he was told that if you have a single 802.11g device on your 802.11n router, then the 802.11n devices on your network will only perform at the slower g speeds. Is this correct? Is this the reason for the dual-band routers? I saw a post here about isolating g and n devices but the answer there seemed to be just changing the channel that each uses, not the frequency. I would not be surprised if my co-worker was wrong, I think someone told him this info once and he's taken it as gospel ever since.
forbin4040 said: Depends on the brand.So what does one look for in the specs to make sure that is not the case? Is it the dual band or do some single band routers not have te problem?
Question was , will my router slow down to G if a single G device is connected? Answer is depends on the brand / model.
Mixed mode routers on the cheap single antenna models will slow down to G speeds if a single G is connected. Some Routers have Dual Antennas / Radios built in. Some Router software like DDWRT can take advantage of the dual radios and issue G at 2.4 and N and 5.0 ghz. Not all router software can do this. Some routers shut down the 5ghz and operate at pure 2.4 to allow G.
Do I know a particular brand / model out of the box that does this? No I don't. I use DDWRT and don't look at the software portion of routers all that closely.
If you have an N router and an old G router you can connect the 2 and create a separate name for each router network. Then connect your G devices to the G network and the N devices to the N network. This should prevent the N router from bumping its speed down.
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