AT&T today released Pantech Duo smartphone and Samsung SGH-A737 Slider. The new Pantech Duo is a dual slide smartphone based on Windows Mobile 6. Pantech duo comes with a microSD card slot, 3.5mm headphone jack, 1.3megapixel camera, QVGA display and Bluetooth. The phone supports 3G HSDPA and all four major GSM bands. It is available now at AT&T stores for $199.99 with two years contract. The second Samsung A737 is a thin slider phone, which comes with microSD card slot, 3G HSDPA, GSM (850/900/1800/1900MHz) and Bluetooth with A2DP support. The phone is available in four colors red, blue, orange and line for $49.99 with a two years contract.