CWNA Chapter 5 – IEEE 802.11 Standards

My Notes from chapter 5 of the CWNA study guide Original IEEE 802.11 standard The first WLAN standard published. Defined by IEEE at the Physical and MAC layers of the OSI model. The PHY task group worked in conjunction with the MAC task group to define the original 802.11 standard. The PHY task group defined …

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CWNA Chapter 4 – Radio Frequency Signal and Antenna Concepts

My Notes from chapter 4 of the CWNA study guide Azimuth and Elevation Charts (Antenna Radiation Envelopes) In either chart, the antenna is placed at the centre of the chart. Azimuth chart = H-plane = top-down view Elevation chart = E-plane = side view Interpreting Polar Charts Represent the decibel (dB) mapping of the antenna …

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