Based on a 32-bit NetSilicon NS7520 microcontroller, Digi's Connect ME looks like a long Ethernet socket. It handles 10/100BaseT Web connections with 5 GPIO and 230.4-kbit/s asynchronous and 921-kbit/s synchronous serial-port pins, as well as SNMP, SSL/TLS, and 256-bit AES encryption. It supports Power over Ethernet. Pricing starts at $49.
www.digi.com