Practice Quiz in Wire and Wireless Communications System Part 2

Question 11. RG-B8 cable has a loss of about ______ dB at cellular frequencies up to 15 ft. length.

Question 12. The corresponding frequency for digit 7 in the touch tone telephone is

Question 13. If two FM signals of different strengths are received on the same frequency

Question 14. _______ is selecting the best value of a parameter from a continuum of possible values when gives a collection if imperfect measurements

Question 15. If the spacing of a two-wire open air transmission line is 12 inches and the conductor diameter is 0.25 inch, the characteristic impedance is

Question 16. A kind of recording used in facsimile.

Question 17. Which of the following is commonly used wire for subscriber loop design?

Question 18. How many simultaneous calls does each DECT system can support?

Question 19. The impedance of the quarterwave transformer used to match a 600 Ω line to a 300 Ω load is

Question 20. All of the cell base stations are linked together by _______ which serves as the central office and management node for the group.