Electromagnetic spectrum

Low frequency

High frequency

3G

phones

Visible

light

Gamma

rays

Ultra

violet

Radio

waves

Infra

red

Wi-Fi

networks

FM

radio

Low frequency

High frequency

3G

phones

Visible

light

Gamma

rays

X-rays

Ultra

violet

Radio

waves

Microwave

Infra

red

Wi-Fi

networks

FM

radio

Low frequency

High frequency

3G

phones

Visible

light

Gamma

rays

X-rays

Ultra

violet

Radio

waves

Microwave

Infra

red

Wi-Fi

networks

FM

radio

Low frequency

High frequency

3G

phones

Visible

light

Gamma rays

X-rays

Ultra violet

Radio waves

Microwave

Infra red

Wi-Fi

networks

FM

radio