一個WiFi access point 可以覆蓋多少範圍?

那要看你的wifi功率的強弱及所使用的標準是什麼了. 但當然每一個802.11標準都有其最高有效範圍的, 大過的話, 是要安裝另一個access point來覆蓋. 以下highlight了的是各個820.11的有效範圍
802.11a




Release date
Op. Frequency
Throughput (Typ)
Net bit rate (Max)
Gross bit rate (Max)
Range (Indoor)

October 1999
5 GHz
23 Mbit/s
54 Mbit/s
72 Mbit/s
~35 m
802.11b



Release date
Frequency band
Throughput (typical)
Net bit rate
Range (indoor)

October 1999
2.4 GHz
4.5 Mbit/s
11 Mbit/s
~38 m
802.11g



Release date
Op. Frequency
Throughput (Typ)
Net bit rate (Max)
Gross bit rate (Max)
Range (Indoor)

June 2003
2.4 GHz
19 Mbit/s
54 Mbit/s
72 Mbit/s
~38 m
802.11n




Release date
Op. Frequency
Throughput (Typ)
Net bit rate (Max)
Range (Indoor)

2009 (speculated)
5 GHz and/or 2.4 GHz
Unknown (unreleased)
600 Mbit/s (using 4 40Mhz channels)
~70 m