1, 5 wire Dual 232 and USB controller 2, Fully compatible with ELO 2216C(Dual) controller. 3, Use ELO driver and Leadingtouch LeadingTouch 5020D, the newest controller supplied by Leadingtouch, is designed for 5 Wire resistive , can support full serials of 5 Wire resistive touch product and fully compatible with ELO 2216C(Dual) controller.5020D providing Comb interface for both RS232 and USB with ...