How to attach high-gain antenna to a WiFi router to increase it’s coverage? Can you recommend purchase links? Thanks
Notice that simply adding wire (or length) to an existing antenna element will not improve it's response. Antennae are designed by the manufacturer with a particular length which is 1/4 or 1/2 the wavelength of the intended frequency. Casually adding more length by wrapping a piece of wire around the existing antenna just detunes it and reduces it effectiveness (range).
Also note, that smarter/custom shaped antennae - yagi, parabola, etc get their gain by focusing more of the RF energy in a preferred direction, instead of spreading it out in all directions (omnidirectional). Like a magnifying glass focusing the sun - more power in one spot, but less in the shadow. So they have to be aimed in the desired direction - and will have reduced response in other directions.
Hovsep, that first article you linked to was very interesting and has wonderful links, thanks! Your point about range extenders is also excellent. One can use a WiFi repeater, as you suggest, or a PowerLine based extender which will be even better. Finally, Dr Sunil, you can also make your own parabolic dish to improve your router's range. Instructions and a template are available at
Thanks Sir. Please tell are there ready made parabolic dish available online ( not very costly ) at ebay.in , amazon.in ( Not.coms )
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