That totally makes my point, above. What on Earth is the justification for introducing 'little bullets' into a situation which involves wave behaviour? If you were discussing how much water was arriving in a hole that you were firing a hose at, would you ever decide to talk about the number of molecules of water involved? Where would be the advantage of going microscopic to help ones 'intuition' in that case?
How well did you read through the post from
@vanhees71 ? Your intuitive picture has no hope at all of describing how the signal diffracts round and through the media in a building and why certain wavelengths work better than others. Do your 'photons' just bounce around between the walls between the router and the computer?
Pretty well anyone who reads PF will know about the Young's Slits experiment. That most basic of diffraction situations just cannot be described without waves so how will ignoring them help in any discussion of the much more complicated situation of propagation of a signal round a house?
Come to terms with waves and things will start to become much clearer for you.
PS It is very difficult to describe what happens with a wire antenna if you want a photon explanation. You would wait a long time for enough little bullets to hit a thin piece of wire. Radio just wouldn't work if it weren't for the waves.