PU is an exaggerated pronunciation of pew, an interjection that is appropriate when you smell something foul.
Unimpeded Maximum. Currently, routers running the 802.11n standard have the longest range. The unimpeded range, at the same data rates, is roughly double that of the previous 802.11g standard.802.11g was widely regarded as having an effective range between 100 and 150 feet, meaning the 802.11n standard â the latest adopted standard available â covers roughly 200 to 300 feet.he unimpeded range, at the same data rates, is roughly double that of the previous 802.11g standard. 802.11g was widely regarded as having an effective range between 100 and 150 feet, meaning the 802.11n standard â the latest adopted standard available â covers roughly 200 to 300 feet.
The official Wi-Fi direct site (see under the point How far does a Wi-Fi Direct connection travel?) states that the maximum range of WiFi-direct is up to 200 meters (which is 656 feet), but I highly doubt that phones already achieve this range...