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Electromagnetic shielding cages inside a disassembled mobile phone. In electrical engineering , electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials.
The Pong Case antenna technology was created by PhD scientists educated at Harvard, MIT, UCLA and the University of Manchester.Using their knowledge of manipulating radiofrequency (RF) electromagnetic fields, Pong invented a coupling and re-radiating antenna that redistributes cell phone near-field radiation.
Some buildings, such as prisons, are constructed as a Faraday cage because they have reasons to block both incoming and outgoing cell phone calls by prisoners. [9] [10] The exhibit hall of the Green Bank Observatory is a Faraday cage to prevent interference with the operations of their radio telescopes. [11]
Any unshielded semiconductor (e.g. an integrated circuit) will tend to act as a detector for those radio signals commonly found in the domestic environment (e.g. mobile phones). [18] Such a detector can demodulate the high frequency mobile phone carrier (e.g., GSM850 and GSM1900, GSM900 and GSM1800) and produce low-frequency (e.g., 217 Hz ...
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RF and microwave antennas, components, and systems, including mobile devices. MRI coils, radar, waveguides, SAR validation. AWR Axiem: commercial Yes Yes Yes Yes Yes Automatic, Hybrid MoM PCBs, multi-layer PCBs, LTCC, HTCC, on-chip passives, printed antennas. Integrated into Microwave Office. AWR Analyst: commercial Yes Yes Yes Yes Yes
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