Both to some degree, realistically. I used an old collander as a signal reflector for a wifi dongle on the end of a USB extension cable and was able to boost the signal up to about 4x, or maybe half the range of the purpose-built and highly directional Yagi antenna I eventually bought to replace that kludge.
Both to some degree, realistically. I used an old collander as a signal reflector for a wifi dongle on the end of a USB extension cable and was able to boost the signal up to about 4x, or maybe half the range of the purpose-built and highly directional Yagi antenna I eventually bought to replace that kludge.