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.
Many routers have a setting to adjust the WiFi signal range which can be adjusted down or up. 5 GHz and 2.4 GHz Frequencies and 802.11ac Protocol. Up until 2013 2.4 GHz was the frequency routers used for WiFi. Since 2.4 GHz has become overcrowded the 5 GHz range has been introduced.