Add two independent RS-232 ports to your laptop with the StarTech.com CB2S650, a two-port PCMCIA CardBus serial adapter. The CB2S650 supports hot-swapping so you’ll be able to connect, use, and swap your serial printers, digital cameras, PDAs, modems, or any other serial devices without even powering your laptop down. Additionally, the adapter’s low power consumption helps preserve your notebook’s battery life. The card comes complete with a DB-9 serial cable and is backed by StarTech.com’s lifetime warranty.