1. Here Today, Gone Tomorrow Curtis D. Storz November 2012 The Next Level of Service

2. Paging 1959 – Developed 1974 – Introduced to public 1980 – 3.2 million worldwide 1990 – 22 Million users 1994 – 64 Million users 2010 – Less than 1 million The Next Level of Service 1

3. Infrastructure The Next Level of Service Paging/ MicrowaveSelf Supporting Tower 2

4. Towers in Use Self Supporting – Heavy lattice type design of I-beams to support microwave as well as paging antenna Guyed – Typically used in the broadcast industry – Also sufficient for use for paging antenna. The Next Level of Service 3

5. Cellular Communications 1940 – Handheld radio transceiver 1946 – AT&T introduces “Mobile Telephone” 1973 – First handheld mobile telephone 1978 – AMPS Commercially introduced 1995 – 2G phone systems (texting) 2002 – 3G Added to network (internet) 2010 – 4G introduced to the market The Next Level of Service 4

6. Cell Phone Users (US) 1985 – 340,213 1990 – 5,283,055 1994 – 24,134,421 1999 – 86,047,003 2005 – 207,896,198 2010 – 300,520,098 The Next Level of Service 5

7. Infrastructure Cellular Monopole/Microcell/DAS The Next Level of Service 6

8. Towers/ Apertures Distributed Antenna System – DAS systems can be located easily in a building, stadium or any other improvement Monopole – Dominant replacement for SST towers and Guyed towers. Microcell – As small as a 2 inch cube and can be installed anywhere needed. The Next Level of Service 7