Mobile phone masts
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Mobile phone masts
Mobile phone masts. Mobile telephones receive and send voice, text and image data as low-intensity microwaves. The signals are relayed through a network of antennas that are mounted on masts. The main masts are typically 15 metres high with antennas that have a range of a few hundred metres in urban areas. There are two types of antenna. The rectangular ones (top of mast) transmit to and from mobile phones in the coverage area, while the round antennas transmit between masts. There are concerns about the effects on humans of microwave radiation from mobile phones and antennas. Photographed in Andalucia, Spain, in October 2004
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6436473
© CARLOS DOMINGUEZ/SCIENCE PHOTO LIBRARY
2004 Andalucia Antenna Antennae Antennas Communication Communications Communications Mast Controversial Controversy Couple Danger Engineering Hazard Mast Masts Microwave Mobile Phone Mobile Phone Mast Radiation Signal Spain Spanish Telecommunication Telecommunications Telephone Telecommunications Mast
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