... 4-wire/5-wire resistive touch screen, USB/RS232 optional; high performance, ... Input Method: Finger, pen, or gloved hand Touch Activation Force: < 80 grams typical Surface Hardness: ... standard - long term available Common Applications PDAs, Web Phone, Tablet PC, Web Pad, Mobile Warehousing, eBook, ... 2 times/s) NEMA 4 Capable touch screen controller card for touch screen/USB or RS232 controller