Best Answer ArneLine6 , 11 June 2013 - 08:03 AM
The wifi USB dongles antennas are not as powerful as a wifi router's antenna and that is why they are more sensitive to interference. In these days there is wifi everywhere even if it is not that visible. Digital Wireless Microphones, Smartphones, Tablets etc.
It makes sense to try different wifi channels since there is usally one or two channels that are just not available.
The USB to Ethernet adapter solution with a wifi router works usually better because the antenna is stronger and the position can be optimized.Go to the full post