Companies Prefer the 5 GHz Band Because There Is ________

Q17: To transmit very rapidly in radio,you need

Q18: 802.11 operates in the _ unlicensed service

Q19: Which of the following works in the

Q20: Frequency is measured in terms of _.<br>A)

Q21: To use an access point,you need to

Q23: Spread spectrum transmission is used in WLANs

Q24: Wi-Fi normally uses a(n)_.<br>A) omnidirectional antenna<br>B) dish

Q25: Most wireless systems operate in the _

Q26: Which of the following allows access point

Q27: Spread spectrum transmission's wider channels brings _.<br>A)