1) Write down two reasons for using directional antenna.
2) Compute the length of half – wave dipole for an operating frequency of 200MHZ.
3) Write down the advantages of optical fiber cables?
4) What do you mean by critical angle?
5) Describe why CDMA is sometimes referred to as spread-spectrum multiples access?
6) What do you mean by electronic navigation?
7) Write down the advantages of a digital cellular system.
8) Describe the term false handoff in detail.
9) Describe why is it needless for cell phones and cellular base station transmitters to use linear RF power amplifier in their transmitters?
10) What do you mean by micro cells?