MB5U - iC-Haus GmbH B2B-Webshop Germany The MB5U is a PC-USB 2.0 high performance and high speed interface BiSS master based on FPGA logic system design. BiSS or SSI sensors can be connected easily to a PC. The USB port supplies the adapter as well as the connected device. The BiSS/SSI communication is accomplished by the RS422 transceiver with clock rates of up to 10 Mbit/sec.