REDPARK SERIAL CABLE, 6FT, IPHONE, IPAD,IPOD TOUCH
Connect iOS devices--like the iPhone or iPad--to RS-232 serial devices. Redpark's serial cable is works with iPhone 3GS/4, iPod touch 4G and iPad 1/2. When used with free-to-download software development kit, it gives you the power to write iOS apps that communicate with serial devices.