Unlike most Wi-Fi routers, Airport Extreme uses the Wireless Distributed System (WDS) protocol which should let us daisy chain base stations wirelessly.

FORBES: Magazine Article

According to our Wireless Device Strategies (WDS) service, mobile phone shipments grew 4 percent annually to reach 52 million units in the United States during the fourth quarter of 2012.

ENGADGET: Strategy Analytics: Apple tops US phone market for Q4 2012, but Samsung takes the year