To overcome reception and availability problems, mobile telecom services firms have begun $\_\_\_\_\_$ that provide a "five bar" coverage in a roughly $5,000-$square$-$foot footprint.

Question $39$ options:

a$)$

offering femtocells

b$)$

providing incentives to communities that allow the construction of towers

c$)$

providing Wi$-$Fi base stations at very low costs

d$)$

leveraging GEO and LEO technologies

e$)$

switching from Wi$-$Fi to WiMax