This is interesting because Apple building its own, say, Wi-Fi or cellular chips, would mean losses for major wireless chipmakers like Broadcom Although the specifics of what Apple is working on are not yet clear, a job listing on Apple's website makes it plain that the company is working on an in-house wireless chip . The listing in question The following is from a job listing on Apple's site looking for a Wireless Hardware Design Engineer: The listing clearly indicates that the candidate would be part of a chip team "responsible for designing state-of-the-art wireless [system-on-chip]" products.