Caterpillar's signature yellow and black CAT branding was definitely spinning heads and getting passerby's attention as it showed off its rugged B15. As far as tough goes the handset's corners are wrapped in rubber with the connections in between covered with anodized aluminum. The B15 is IP67 certified, which means both protected from dust and waterproof up to 3.3 feet for 30 minutes and can be dropped from about six feet and live to tell the tale -- you, however, may not. Other notables include a 4-inch WVGA display, dual-core 1GHz Cortex-A9 and a 5-megapixel camera that'll shoot 720p video and can do
