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Femtocell. In telecommunications, a femtocell is a small, low-power cellular base station, typically designed for use in a home or small business. A broader term which is more widespread in the industry is small cell, with femtocell as a subset. It typically connects to the service provider's network via the Internet through a wired broadband ...
However, unlike more modern iOS devices, this update again does not provide iPhone 3G owners with access to important features, in this case, the Game Center application. On November 22, 2010, the iPhone 3G received the iOS 4.2 software update (as iOS 4.2.1), which introduced features such as YouTube voting, and security fixes.
The iPhone 3GS, stylised as iPhone 3Gš is a smartphone that was designed, developed, and marketed by Apple Inc. It is the third generation iPhone and the successor to the iPhone 3G . It was unveiled on June 8, 2009 [8] at the WWDC 2009 which took place at the Moscone Center in San Francisco.
A cell site, cell phone tower, cell base tower, or cellular base stationis a cellular-enabled mobile devicesite where antennasand electronic communications equipment are placed (typically on a radio mast, tower, or other raised structure) to create a cell, or adjacent cells, in a cellular network. The raised structure typically supports antenna ...
A wireless repeater (also called wireless range extender or wifi extender) is a device that takes an existing signal from a wireless router or wireless access point and rebroadcasts it to create a second network. When two or more hosts have to be connected with one another over the IEEE 802.11 protocol and the distance is too long for a direct ...
For example, Apple's iPod and iPhone chargers indicate the available current by voltages on the Dā and D+ lines. When D+ = Dā = 2.0 V, the device may pull up to 900 mA. When D+ = 2.0 V and Dā = 2.8 V, the device may pull up to 1 A of current. When D+ = 2.8 V and Dā = 2.0 V, the device may pull up to 2 A of current.
Long-range Wi-Fi is used for low-cost, unregulated point-to-point computer network connections, as an alternative to other fixed wireless, cellular networks or satellite Internet access . Wi-Fi networks have a range that's limited by the frequency, transmission power, antenna type, the location they're used in, and the environment. [1]
Drive testing. RF Drive testing is a method of measuring and assessing the coverage, capacity and Quality of Service (QoS) of a mobile radio network. The technique consists of using a motor vehicle containing mobile radio network air interface measurement equipment that can detect and record a wide variety of the physical and virtual parameters ...