What is 5G?

5G is the abbreviation for 5th Generation, a technology standard for broadband cellular networks.

The “G” is the abbreviation for Generation, and the numbers 1 through 5 represent the generation number. Generations 1, 2, and 3 (1G, 2G, and 3G) are now considered obsolete. Generation 4 broadband technology has been the standard until cellular phone companies began deploying 5G in 2019.

There are actually two types of 5G:

Many people find it difficult to understand technical terms such as Ghz. What does Ghz mean? Ghz is the abbreviation for gigahertz. This term is part of a measuring system used to help us understand the length of a frequency. A frequency is the number of waves that pass through a fixed place at any given time.

Frequency lengths can be measured in both the metric and imperial systems, though the metric system is more commonly used for these measurements. For example, 8 Ghz (8 gigahertz) refers to a "wave" (transverse wave) that measures approximately 3.8 cm in length.

When we talk about 5G in the 8 Ghz range, we understand that the size of the 5G 8 gigahertz wave is approximately 3.8 cm in length. If we are talking about 5G in the 30 Ghz range, the wave size is approximately 10 mm (millimeters) in length. These waves are known as "millimeter waves." 

"Millimeter waves (high band 5G) are frequencies above 24 GHz. The higher the frequency of the radio waves, the shorter the length of each wave. Due to the high frequency of millimeter waves, the range is limited to 300-500 feet, making it difficult to penetrate buildings." (Reference)

5G Antennas & Transmitters

There are various ways 5G antennas and transmitters are installed:

Here are some things to know about 5G:

The video below features Dr. Devra Davis with the Environmental Health Trust discussing detailed information about 5G. For additional information from Dr. Davis about 5G, please visit the Environmental Health Trust website.

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