RF connectors can present many different problems when transmitting RF signals. The signal travels in a straight line and cannot be negotiated around the object to reach the client radio. Because this attenuation or loss can happen. The ideal situation is direct sight, and no obstacles cause the transmission to change. This is impossible for everyone because the rooms in the building have thick walls, heavy doors, stairwells, etc. If you can understand different behaviors, you can deploy wireless networks to overcome reflection, refraction, absorption, scattering, multipath and diffraction.
Reflection occurs when a signal strikes a smooth planar object and bounces or reflects from the surface. Example: Playing basketball. The ball is reflected from the backboard to the basket.
Refraction refers to the signal passing through objects of different densities and bending the signal in the other direction. A good example of refraction is a glass of water. Water refracts or bends light to cause objects to appear in different locations.
Absorption occurs when an object completely receives a signal and retains some or all of its signals. The effect is a loss of signal or, in some cases, a complete loss of signal. A good example of absorption is a sponge. If the sponge is placed on a spill, it will absorb the spill.
Scattering is caused by signal hits and uneven surfaces and is reflected in many different directions. Reflection causes amplitude loss, and a single transmission is now a few weaker transmissions.
Multipath occurs when two signals arrive at the same time. This happens through all the different behaviors mentioned above. Suppose your laptop sends a signal and reflects it off the wall. It then sends a signal 2 with a direct line of sight to the receiver directly. One and two signals arrive simultaneously due to the reflection of signal 1. The worst impact is data corruption.
The portion of the diffraction signal that is curved when it encounters an object. The entire signal does not hit the object, so half of the signal continues on the original path and the other half is reflected on the other path. For example, traffic jams. A car parked in the middle lane. But he won't affect the other lane because they don't have to change the path, but the driver in the middle lane has to change the path to bypass the vehicle.