Attenuation at 5GHz on 1 km should be 108dB, so with:
5+16-108+16=-70dB as receiving signal level; this should be regardless RX sensitivity..... or am I wrong?
I agree. Additional 1 dB loss may be some internal loss.
But whu and how RX sensitivity make impact on rx power on both sides?!
I know, noise-floor-threshold work like receiver attenuation and if is set higher that current noise-floor it lower RX power on site where set. But it different parameter that RX sensitivity?