Megahertz XJ10BT / XJ10BC

Megahertz PCMCIA Ethernet with XJACK Connector - 10Mbps LAN Adapter

The model is specified as XJ10BT OR XJ10BC on the bottom of the label.

pccardctl ident dump
Socket 0: product info: "Megahertz ", "CC10BT/2 ", "PCMCIA 10BASE-T/2 ETHERNET ADAPTER ", "00008618EE48 " manfid: 0x0128, 0x0103 function: 6 (network)