What is the recommended radius of a cell for a voice-ready wireless network?

A.
6 dBm

B.
7 dBm

C.
19 dBm

D.
5 dBm

E.
-67 dBm

F.
86 dBm

Explanation:
https://www.safaribooksonline.com/library/view/foundation-learning-guide/9780132652933/app03.html
Recommendations for VoWLAN deployment include the following:
A cell radius of 67 dBm, with a separation of 19 dBm for cells on the same channel.