RE: Is that a mistake (1 or 2 percent of revenue)key word in the quote you stated is "Contribute"
https://biz.yahoo.com/rc/040623/tech_wilan_cisco_2.html
"Wi-Lan has intellectual property licensing agreements with Philips Semiconductor, Fujitsu Microelectronics of America and Redline Communications.
Such agreements contribute only between 1 percent and 2 percent of revenue, Wetherell said."