BB-485USB9F-2W
Connect RS-485 Devices to your USB PortPerfect for Field Service ApplicationsSmall – Fits easily into any laptop bag
USB Port PoweredUSB 2.0 (12 Mbps) CompatibleRS-485 Data rates up to 921.6 KbpsSupports Windows 98, ME, 2000, XP, Vista, 7 (32/64 bit)