HTC Touch HD - PDA phone, supports GSM 850/900/1800/1900, with its 3G and EDGE capabilities. Creators of company HTC provides PDA phone HTC Touch HD with processor Qualcomm MSM 7201A which clock speed is 528 MHz and with 3.8´´ display. Resolution of display is pixels. HTC Touch HD have 288 Mb SDRAM and 512 Mb ROM, and the expansion slot for memory card, the device is integrated with Bluetooth and Wi-Fi modules. PDA phone runing on Operating System The main operating characteristic is PDA phone integrated GPS module