The Samsung Galaxy Tab is an Android-based tablet computer produced by Samsung[2] introduced[3] on 2 September 2010 at theIFA in Berlin.
The Galaxy Tab has a 7-inch (180 mm) TFT-LCD touchscreen, Wi-Fi capability, a 1.0 GHz ARM Cortex-A8 Samsung Exynos 3110(code-named "Hummingbird") processor, the Swype input system,[4] a 3.2 MP rear-facing camera and a 1.3 MP front-facing camera for video calls. It runs the Android 2.2 (Froyo) operating system,[5] and supports telephone functionality as a speaker phone, via provided wired ear piece or Bluetooth earpieces (except models sold in the US). It can download videoconferencing apps such as Tango as alternative to telephone functionality.[6]The tablet is enclosed in a plastic frame[7] that makes it lighter than other metal-bodied tablets, weighing 380 g (0.84 lb).[8]
The GT-P1000 model carries a 7" Super TFT instead of the AMOLED which is used by Samsung in its Galaxy S phones.[9] The screen has a 1024×600 resolution With mDNIE (Mobile Digital Natural Images Engine). Internal flash storage of 2 GB (North America CDMA models), 16 GB or 32 GB can be supplemented with a microSD flash card with up to 32 GB. CPU is a Exynos 3110 Applications Processor (Also known as Hummingbird) features 1.0 GHz ARM architecture Cortex A8 application and has 512 MB of RAM paired with a PowerVR SGX540 graphics processor.
The WIFI only model has a different graphics chip that doesn't support TV out and Samsung has not provided (or promised to provide) an update to gingerbread.
The tablet has two cameras: a 3.2 rear MP camera with a LED flash and a 1.3 MP front camera for video calling (the Verizon model has a 3 megapixel rear camera).[10] The front camera has auto focus capability. The camera also has auto image stitching, combining 8 pictures. Modes include single shot, continuous, panorama, and self-shot. It can automatically trigger on detecting that the subject smiles. Autogeotagging uses the internal GPS receiver.
The tablet has GPS, 802.11n Wi-Fi, Bluetooth 3.0, and handsfree/bluetooth/headphone telephony. Cellular protocols include GSMCDMA, HSPA (HSUPA).[citation needed]
It also has a proprietary 30-pin docking and charging connector not shared with other manufacturers.[11] This connector appears very similar to the standard PDMI connector (a non-proprietary alternative to Apple's docking connector). It appears so similar to the PDMI connector that it is widely mistaken for it, but it is non-standard and all accessories, including charging cables, are incompatible with other equipment and only available from Samsung.[citation needed]
Samsung says that its 4000 mAh battery will give it 7 hours of video playback or 10 hours of talk time.[12][13]
The GSM variants of the Galaxy Tab have an externally-accessible SIM card slot. If the SIM card is removed while the system is on, the system automatically reboots. The AT&T and T-Mobile variants of the Galaxy Tab ship with a micro SIM in a micro SIM adapter. For non-US Galaxy Tabs, with phone function, this slot can also accommodate a 3G data-only SIM card if the user does not need telephone functionality.
The Samsung Galaxy Tab also has an optional RCA plug connector through which the screen image is shown on a TV or other display (the Tab's own screen cannot be turned off; it can be dimmed with a backlight dimming app).
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