RCNA WLAN | Ruijie Training | 2.1 RF Basics

0:00 Start
0:07 Radio Wave
0:53 RF
3:34 RF Transmission
4:30 Electromagnetic Wave Frequency Distribution
5:50 WLAN Frequency Distribution
6:13 RF Transmission Behavior
8:29 Reflection
9:49 Diffraction
10:39 Scattering
11:59 Refraction
13:13 Multipath
14:05 Absorption
14:55 Relationship Between Absorption and Object Thickness
16:17 Signal Penetration Loss Estimation
17:06 Attenuation
17:50 Relationship Between Rate and Distance
19:21 Electromagnetic Interference
20:24 RF Gain
21:42 Practice Question