Network Hubs & Switches
4 pcs USR-TCP232-T2 Serial Tiny TTL UART to Ethernet Converter TCP/IP Module - Support DHCP/DNS
Usr-Tcp232-T2 Serial Ttl Uart to Ethernet Module Which Can Realize Data Bidirectional Transparent Transmission Between Serial Ttl and Rj45 Port. This Module Based On Cortex-M0 Core- Low Cost Solution. it Has Characters of Low Power, Fast Speed and High...
https://www.bizrate.co.uk/networkhubs_switches/4-pcs-usr-tcp232-t2-serial-tiny-oid8968482261.html