I recently updated our home network from an AirPort Express (802.11g) to an AirPort Extreme (late 2009, dual-band). The AirPort Express works great; it’s small, easy to set up, and we only have a few devices on our network and use it to stream music just about all day long. The only time we encounter some trouble is when we use the microwave, which causes our internet to cut out about half the time. Additionally, there are a lot of networks in the area on the same frequencies, so I imagine there is some interference caused by these 15 – 20 other networks using the same channels. More…