Ethernet module, Serial Module with 10/100Mbps Ethernet; 230,400bps serial data rate,Supports TCP/Server, ... dual-inline drop-in module Pitch: 1.27mmDimensions: 37x27x12mmNetwork InterfaceType: 10/100BaseT, auto-detectProtocols: TCP, UDP, HTTP, Telnet, IP, ICMP, ARPIP ...