What hardware features does the iPad offer?
Many of the iPad’s hardware capabilities are identical to the Apple iPod Touch, including Wi-Fi, Bluetooth 2.1, a stereo audio output (headphone jack), built-in speaker, an integrated lithium ion rechargeable battery, and NAND flash memory. A built-in accelerometer and ambient light sensor are also included on the iPad. Hardware features that distinguish the iPad from the iPod Touch include a 1GHz A4 processor, an oleophobic screen coating, integrated digital compass, built-in microphone, mute switch, and support for 802.11n Wi-Fi (in addition to 802.11b/g). The 3G version of the iPad includes a SIM card tray, as well as assisted GPS capabilities.
