
Frequency is measured in terms of ________.
A) nanometers
B) hertz
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Q13: If the signal strength at 20 meters
Q14: Cellular telephones use _.
A)an omnidirectional antenna
B)a dish
Q15: Wireless LAN standards are created by the
Q16: What propagation problem becomes worse as frequency
Q17: The other wireless device is far away
Q19: The terms channel and service band mean
Q20: What propagation problem becomes worse as frequency
Q21: Which unlicensed band is defined the same
Q27: A channel extends from 55 MHz to
Q56: In 802.11g,channel bandwidth usually is _.
A)20 GHz
B)40
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