If the signal strength at 20 meters is 90 mW,the signal strength at 60 meters would be 10 mW.
Correct Answer:
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Q8: The total range of possible 802.11 WLAN
Q9: Wireless radio transmission usually is expressed in
Q10: Wireless network standards come from _.
A)OSI
B)TCP/IP
C)both A
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
Q18: Frequency is measured in terms of _.
A)nanometers
B)hertz
C)both
Q28: What propagation problem becomes worse as frequency
Q37: The frequency spectrum extends _.
A) into the
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