But it uses a lot of battery power, and the 2.4 GHz spectrum is also widely in use by devices like Wi-Fi networks--and cordless phones and microwave ovens can cause interference in that range.
Ours is on a rack too shallow and low to accommodate a laser printer, and placed out of the way to minimize interference with the signal from TV sets, cordless phones and microwave ovens.
Apple has recently updated the firmware for the base station to help with the interference problem, which, we hear, is most pronounced from microwave ovens.