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Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...
Pages in category "Mobile phones introduced in 2003" The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes. M.
Pages in category "Mobile phones introduced in 2006" The following 56 pages are in this category, out of 56 total. This list may not reflect recent changes. B.
Nextel affected the cellular phone market in several ways. It was the first company to successfully provide unlimited calling plans to a large customer base. Nextel was the first company to implement a nationwide push-to-talk system similar to a walkie-talkie, marketed as DirectConnect.
MyPhone (stylized as my|phone [1]) is a Philippine mobile phone and multimedia brand designed and marketed by MySolid Technologies & Devices Corp. that use Google's Android mobile operating system. The first-generation MyPhone was announced in January 2007.
Much of the phone's success can also be attributed to an advertising campaign aimed predominantly at young people, a first in the mobile phone industry. The inclusion of 3 games, changeable "Xpress-on" covers (as on the previous Nokia 5110 ), an internal antenna, customisable ringtones and competitive prices led to the handset's huge popularity ...
The HPA also says that due to the mobile phone's adaptive power ability, a DECT cordless phone's radiation could actually exceed the radiation of a mobile phone. The HPA explains that while the DECT cordless phone's radiation has an average output power of 10 mW, it is actually in the form of 100 bursts per second of 250 mW, a strength comparable to some mobile phones.
The boosting of power, however, is limited by the design of the devices to a maximum setting. The standard systems are not "high power" and thus can be overpowered by secret systems using much more boosted power that can then take over a user's cell phone. If overpowered that way, a cell phone will not indicate the change due to the secret ...