abc1234 – all wireless routers have the ability to set the channel – it might be under the advanced wireless settings though.
If you can provide the model number as well – this should be either on the top, or the bottom, of the router – if I have this, I can provide more detailed instructions as to where you should look in the configuration.
I Can Only Try – I generally stick with channel 2 (or 13, which is a european setting, and not available in the US). Yes, there can be slight seepage/bleed from channel to channel – the main thing though is to try to avoid the channels that other devices, such as portable phones, use. The channel spectrum anyway is quite tiny for 2.4GHz (incidentally, microwaves also use this frequency to operate).
Debby – it sounds like your wireless card is dropping the signal occasionally. Perhaps try to re-install the software for it, and see if that helps.
Jothar – making something like that yourself is not an ideal solution – it’s not as simple as getting any old can, and converting it – only someone who is good with technical items should try it out. If you really need a signal booster, it’s best to buy one. Besides, a home-made signal booster only works when connected via various means to the computer itself – it will not boost the wireless signal to a further location in the house
Hope that this helps 🙂