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The iPhone 3GS, stylized as iPhone 3Gš , [a] is a smartphone that was developed and marketed by Apple Inc. It is the third generation of the iPhone and the successor to the iPhone 3G . It was unveiled on June 8, 2009 [ 6 ] at the WWDC 2009 , which took place at the Moscone Center in San Francisco.
Following the release of the successor iPhone 3GS model one year later, the iPhone 3G remained on sale but became Apple's budget phone offer, with its price reduced. This $99 iPhone 3G required a two-year contract and was available only in black and with 8 GB of storage, but came bundled with the then-new iPhone OS 3.0 firmware. [15]
The S5L8920 chip used in the iPhone 3GS. The Samsung S5L8920 is a 32-bit system on a chip (SoC) manufactured by Samsung for Apple. The only iPhone to use it was the iPhone 3GS, before being replaced with the Apple A4 with the release of the iPhone 4. [17] The chip is an updated version of the S5L8900 with more processing power. [18]
It's the ultimate of ironies that Apple's externalized antenna array in the iPhone 4 -- hoped (and hyped up) to finally give us a phone every bit as good the rest of the device -- has become the ...
An indoor location tracking map on a mobile phone. Mobile phone tracking is a process for identifying the location of a mobile phone, whether stationary or moving. . Localization may be affected by a number of technologies, such as the multilateration of radio signals between (several) cell towers of the network and the phone or by simply
The iPhone 4 was also released through Orange in Tunisia and was available in eight cities at the launch. [29] On July 30, 2010, iPhone 4 was made available for sale in Australia, New Zealand and 15 other countries with free bumper cases. [30] [31] In South Korea, it was released by KT on September 10.
A monopole antenna is a class of radio antenna consisting of a straight rod-shaped conductor, often mounted perpendicularly over some type of conductive surface, called a ground plane. [1] [2] The current from the transmitter is applied, or for receiving antennas the output signal voltage to the receiver is taken, between the monopole and the ...
A patch antenna is a type of antenna with a low profile, usually consisting of a printed circuit board. It consists of a planar rectangular or circular sheet or "patch" of metal, mounted over a larger sheet of metal called a ground plane. It is the original type of microstrip antenna described by Howell in 1972. [1]
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