"Although signal boosters can improve cell phone coverage, malfunctioning, poorly designed, or improperly installed signal boosters can interfere with wireless networks and cause interference to a range of calls, including emergency and 911 calls".
So now you know why you should care.
The FCC has announced a few days ago (September 23, 2014 in FCC 14-138) that it reconsiders the technical rules adopted in the Signal Boosters Report and Order (FCC 13-12) and that it seeks comments on whether to retain the “personal use” restriction for Provider-Specific Consumer Signal Boosters (see 47 CFR §20.21).
Comment Date: (30 days after date of publication in the Federal Register)
Reply Comment Date: (50 days after date of publication in the Federal Register)
Read more about Cellular Consumer Signal Boosters here.