Physics – 3.3 Electromagnetic spectrum | e-Consult

Microwaves are well-suited for mobile phones and wireless internet due to their ability to penetrate some materials, including walls. This is a key advantage as it allows for wider coverage and eliminates the need for direct line of sight between the device and the base station/router.

Furthermore, microwaves have a relatively short wavelength compared to other types of electromagnetic radiation like radio waves. This shorter wavelength allows for the use of smaller antennas. Smaller antennas are more practical for portable devices like mobile phones and laptops, making them more convenient to use. The ability to penetrate obstacles and the compact antenna size are crucial factors in the design and functionality of modern wireless communication systems.

• Penetration: Microwaves can pass through some materials.
• Antenna Size: Shorter wavelengths mean smaller antennas.
• Coverage: Allows for wider coverage without direct line of sight.