EMF Sounds

Airport Radar



Long range air traffic control and surveillance - 1-2 GHz. Other types of radar can range from 3 MHz to 40 GHz.


Baby Monitor



Baby monitors typically use DECT 6.0 technology similar to cordless phones - 1.9 GHz. Less common frequencies range from 49 MHz, 902 MHz, and 2.4 GHz.


Bluetooth



This occurs when a Bluetooth device is paired with another device (cell phone, computer, etc.) - 2.4GHz.


Cell Phone GSM

Cell Phone 3G

Cell Phone 4G



GSM/3G/4G cellular device - 700 MHz, 800 MHz, 850 MHz, 900 MHz, 1700 MHz, 1800 MHz, 1850 MHz, 1900 MHz, 2100 MHz, 2500 MHz, 2600 MHz.


Cell Tower GSM

Cell Tower 3G

Cell Tower 4G



Cell tower - 700 MHz, 800 MHz, 850 MHz, 900 MHz, 1700 MHz, 1800 MHz, 1850 MHz, 1900 MHz, 2100 MHz, 2500 MHz, 2600 MHz.


Cordless Phone 5.8GHz

DECT 6.0



Most of the cordless phones available today use DECT 6.0 technology - 1.9 GHz. Less common frequencies range from 900 MHz, 2.4 GHz, 5.8GHz.


Digital Television Signal



Digital television broadcast signal (DVB-T) 54 MHz - 890 MHz.


FM Radio Tower



FM radio tower - 88 MHz - 108 MHz.


Laptop



A laptop connected to a wireless network, sending/receiving data 2.4 GHz, 5.1 GHz - 5.8 GHz.


Microwave Oven



The sound of a microwave oven while cooking - 2.45 GHz.


No Source/Background Noise



No RF source present.


Smart Meter



A smart meter sending wireless transmissions - 902 MHz - 928 MHz, 2.4 GHz Zigbee.


Terrestrial Trunked Radio



Professional mobile radio and two way transciever (TETRA) 450 MHz - 470 MHz, 809 MHz - 824 MHz, 854 MHz - 869 MHz.


Video Game Console - PS4



Video Game Console - Wii



Transmission between a video game consol and wireless controller - 2.4 GHz, 5.1 GHz - 5.8 GHz.


Wireless Router/Wi-Fi



Wi-Fi router - 2.4 GHz, 5.1 GHz - 5.8 GHz.


iPad Streaming

iPad

PC Laptop



A wireless router communicating with another device, such as a computer, tablet, smartphone, etc. 2.4 GHz, 5.1 GHz - 5.8 GHz.


Wi-Fi Search - iPhone




Wi-Fi Search - iPod




"Chopper" Sound



The sound of a Gigahertz Solutions meter detecting a pure analog signal.


HAARP Transmitter



Typical Indoor Mix 1



This is a combination of Wi-Fi, a DECT phone, and a cell phone.


Typical Indoor Mix 2



This is a combination of Wi-Fi, a DECT phone, and a cell tower.


Typical Cell Tower 1



Typical Cell Tower 2



Typical Cell Tower 3



Typical Cell Tower 4



Typical Cell Tower 5