A900 Case Cell Phone Samsung
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Dead zone (cell phone) - Dead zones are areas where cell phones cannot transmit to a nearby cell site, base station, or repeater. Therefore, dead zones are usually areas where cell phone service is not available because the signal between the handset and the cell site antennas is blocked, usually by hilly terrain, excessive foliage or tall buildings.
Samsung SPH-A900 - The Samsung SPH-A900 (also MM-A900, A900, or "Blade") is a cellular telephone developed for PCS carriers like Sprint Nextel. Its design is largely similar to the Motorola RAZR V3, a popular model of thin clamshell-style cellular phones.
Cell phone etiquette - Cell phone etiquette is a term for the conventions of politeness recognized when using cell phones, mobile phones or camera phones.
Cell phone jammer - A cell phone jammer is an instrument used to prevent cellular phones from receiving and transmitting the mobile signals to a base station. When used, the jammer effectively disables cellular phones in the area.
