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In July 2007, the 3GPP approved a change request to prohibit the implementation of A5/2 in any new mobile phones, decommissioning the algorithm; it is no longer implemented in mobile phones. Stronger public algorithms have been added to the GSM standard: the A5/3 and A5/4 (Block ciphers), otherwise known as KASUMI or UEA1 [19] published by ETSI ...
Researchers concluded that exposure to cordless phones and fixed-site transmitters, like broadcasting antennas or base stations that serve as hubs for local wireless networks, is also unlikely to ...
All mobile phones in the area covered by the catcher have no access to the network. Incoming and outgoing calls cannot be patched through for these subscribers. Only the observed person has an indirect connection. There are some disclosing factors. In most cases, the operation cannot be recognized immediately by the subscriber.
Using a cell phone while driving increases the driver's risk of causing a crash. Drivers can become distracted, decreasing the driver's awareness on the road, leading to more car crashes. When drivers talk on cell phones the risk of an automobile crash resulting in hospitalization is four times higher than when not talking on a cell phone. [8]
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The Stingray acts as a cellular tower to send out signals to get the specific device to connect to it. Cell phones are programmed to connect with the cellular tower offering the best signal. When the phone and Stingray connect, the computer system determines the strength of the signal and thus the distance to the device.
New research out of China suggests a link between cellphone use and an increased risk of heart disease, especially among smokers and diabetics, but the data was collected nearly 20 years ago.
Mobile phones continue to become more multifunctional and sophisticated, which exacerbates the problem. [48] In 2014 the BBC reported concerns from opticians regarding blue-violet light emitted by cell phone screens, that it may be potentially hazardous to the eye and long term it may possibly increase the risk of macular degeneration. [49]