New MB Compact 4 feature: 1.New MB SD Connect Compact 4 Star Diagnosis support wireless diagnose; 2.New MB SD Connect Compact 4 Star Diagnosis not only support K line diagnose and CAN BUS,but also UDS diagnose protocol. Because old MB STAR C4 main board do not have UDS chip, so old MB STAR C4 can not support it; 3.Multiplexer now use Lan cable to connect, can fit all computers not only IBM T30; 4. Connector adopt Military quick swap technology, it can support 10,000 times pull plug, more stable; 5. All core accosseries adopt original new packing chip, and 24hours test, guarantee the quality of the products.