# Understanding an RF Signal

What is RF Signal ?
A Radio Frequency signal is an electromagnetic wave that carries information over the air from one point to another.
RF signals starts as an electrical Alternating Current (AC), generated by a transmitter. This AC signal travels through the copper conductor and radiates out of an antenna in the form of electromagnetic wave.

What we see in the below diagram, is how a room would look if we were to have lot of devices emitting RF signals. These are waveforms commonly known as Sine Wave.

Just take a small portion of these RF signals and bifurcate it into 4 major variables,

a) Frequency
b) Wavelength
c) Amplitude
d) Phase

RF Spectrum ranges from 3 KHz to 300 GHz.

Below diagram would clearly show us how the wave pattern looks with respect to the distance it travels over the air.

References:
CWNA Official Study Guide
https://www.nasa.gov/
https://yatebts.com/

What is RF Signal ?
A Radio Frequency signal is an electromagnetic wave that carries information over the air from one point to another.
RF signals starts as an electrical Alternating Current (AC), generated by a transmitter. This AC signal travels through the copper conductor and radiates out of an antenna in the form of electromagnetic wave.

What we see in the below diagram, is how a room would look if we were to have lot of devices emitting RF signals. These are waveforms commonly known as Sine Wave.

Just take a small portion of these RF signals and bifurcate it into 4 major variables,

a) Frequency
b) Wavelength
c) Amplitude
d) Phase

RF Spectrum ranges from 3 KHz to 300 GHz.

Below diagram would clearly show us how the wave pattern looks with respect to the distance it travels over the air.

References:
CWNA Official Study Guide
https://www.nasa.gov/
https://yatebts.com/

What is RF Signal ?
A Radio Frequency signal is an electromagnetic wave that carries information over the air from one point to another.
RF signals starts as an electrical Alternating Current (AC), generated by a transmitter. This AC signal travels through the copper conductor and radiates out of an antenna in the form of electromagnetic wave.

What we see in the below diagram, is how a room would look if we were to have lot of devices emitting RF signals. These are waveforms commonly known as Sine Wave.

Just take a small portion of these RF signals and bifurcate it into 4 major variables,

a) Frequency
b) Wavelength
c) Amplitude
d) Phase

RF Spectrum ranges from 3 KHz to 300 GHz.

Below diagram would clearly show us how the wave pattern looks with respect to the distance it travels over the air.

References:
CWNA Official Study Guide
https://www.nasa.gov/
https://yatebts.com/