41. The 2G GSM technology uses a carrier separation of . . . . . . . .
42. What is WISP?
43. Which modulation technique is used by GSM?
44. Which two channels are responsible for initiating mobile calls?
45. EDGE is sometimes also referred as . . . . . . . .
46. What does SCM indicates?
47. GSM (Global System for Mobile) was earlier also known as . . . . . . . .
48. What is the term used by ITU for a set of global standards of 3G systems?
49. In which frequency range do the cordless phones mostly work?
50. Which of the following explains the concept of diffraction loss?
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