See also Ex Parte Letter from Bruce A. Olcott, Counsel to Cellphone-Mate, Inc., to Marlene Dortch, Secretary, Federal Communications Commission (July 24, 2012) (Cellphone-Mate July 24, 2012 Ex Parte Letter) at 4 (noting that industrial signal boosters can be used in large and small retail establishments, factories, and other locations where people congregate).32 Joint Proposal at 2.33 See Verizon