Chapter 4. Understanding broadband: addressing issues of capacity, speed and quality of service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roadband access technologies ! +# 3 \" ( $ < +# % % # ( \" # ( ( \"+ , ## ( \" ((% % ( (6$ ) # ( # ,% ( 86 = > ( \" $ \" # 7/3% ; % % , (\"(9 ## $ < + 6 , (86 ( \" $ \"(\"( $ ( ( \" ) 4( ( 86 % % ( \"+ % 65 K = \" # % /7$ # ( L >,@% 8% $ $ % % ( 3 $ + 6 \" # ( =$ +*# >,% $ \" \" ( \"+ ( ,# 6$ ( * ) ( =( ?)>, ( % ( 65 K% $ B ( , +(# # % % ( \"( % B Chart 4.1: Broadband subscriptions by technology, United States, June 2010 Cable modem 28.7% Mobile wireless 46.5% FTTP ADSL 2.9% 20.1% All other 1.7% Source: FCC, from http://transition.fcc.gov/wcb/iatd/comp.html Note: Although FCC has recently redefined broadband (see Box 4.1), data in this chart are based on the previous FCC definition of broadband as 200 kbit/s in at least one direction. 92