Netcom Systems Smartbits Spirent SX-7405 100Base-T MII SmartCardNetcom Systems Spirent SmartBits SX 7405 100Base T MII SmartCard The Spirent SmartBits SX 7405 is a high performance 100Base T SmartCard designed for use with Spirent's SmartBits network performance testing platforms. It provides a modular interface for simulating and analyzing Ethernet traffic at the 100 Mbps level, enabling precise benchmarking of network devices and infrastructures. Key Features: Manufacturer: Spirent (formerly Netcom Systems)