input: If you've not connected these up properly you'll not get the best broadband experience. It's a common cause of intermittent connection and speed problems. You should avoid using long phone extension cables too. See Microfilters - how and why for more help. [Cause] 
output: Wrongly setup microfilters
options: B r o a d b a n d F a u l t s
options: T e l e p h o n e F a u l t s
options: W i r e l e s s
options: W r o n g l y s e t u p m i c r o f i l t e r s
options: B a d w e a t h e r
options: E l e c t r i c a l i n t e r f e r e n c e
options: Y o u r c o m p u t e r