Yet another interesting job posting at Apple, RF Hardware Engineer - iPod:
The iPod Division is looking for an RF hardware engineer. This person will work as a member of a cross-functional team responsible for design, implementation, and system integration. Needs to have knowledge of communication circuits and interest in physical principles utilized in modern radio communication devices, thorough knowledge of modulation methods, coding, compression or encryption. Also essential is a working knowledge of EM fields and antennas as applied to radio communication devices.
Expect the iPod to finally have wireless capabilities. (It's about time, isn't it?)