Each electromagnetic source has it’s own characteristic sound, which is demodulated by broadband-meters to allow evaluating the source from the sound. Although GSM-900 and GSM-1800 can’t be differentiated by their sound as it is the same. Other sources are easily detectable, here are a couple of examples. If you’d like to listen to some other source, please contact us.
Use the embedded Player to listen or download the file (right click the download button below the embedded Player, chose "Save Link/Target as…"
High Frequency Active Auroral Research Program
TErrestrial Trunked Radio (government agencies, emergency services, (Police, Fire Departments, Ambulance), rail transportation staff, transport services and Military.
Digital Video Broadcasting -Terrestrial (aka. digital TV)
2. Generation Mobile Phone
GSM Mobile Phone
2. Generation Mobile Phone Base Station Transmitter (BST)
Digital Enhanced Cordless Telecommunication (Common technology wireless phones at home use, max. 400 meter distance)
DECT Base Far
DECT Base Near
Universal Mobile Telecommunications System (3. Generation), Base Station (Node-B)
UMTS (3G) Basestation
Apple iPhone (3G Mode/Standby?) The iPhone is a line of smartphones designed and marketed by Apple Inc.
Apple iPhone (3G Mode?)
Apple I-Phone (Standby?)
Wireless Local Area Network/Wireless Fidelity (Wireless computer network for short distance (max. 100 meters), such as Internet Connection at home)
WLAN/WiFi Router Stand-By
Proprietary open wireless technology standard for exchanging data over short distances using microwaves.
Worldwide Interoperability for Microwave Access (wireless computer network for medium distance up to a few/couple kilometer/miles)
RAdio Detection And Ranging – Radar is an object detection system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain.
Mesures des champs électromagnétiques, mesure de micro-ondes, pour plus d'infos:
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