Question: what is the difference between 802.11 g and 802.11 n?
Answer: In basic terms, 802.11n is faster than 802.11g, which itself is faster than the earlier 802.11b. On the company website, Apple explains that 802.11n offers "greater performance, more range, and improved reliability". ... Up to five times the performance and up to twice the range compared to the earlier 802.11g standard.