PowerTCP Telnet for .NET CF provides advanced Internet communications components for handheld smart devices. It includes asynchronous support, improved use of generics, IPv6 and X509 certificate support. PowerTCP Telnet for .NET CF is easy to use, auto-login and option negotiation capabilities minimize coding. It includes inherent multi-threading support for user-interactive applications and a logging event for debugging session logging. PowerTCP Telnet for .NET CF is flexible, it includes explicit and implicit SSL security and international character sets are supported. It supports HTTP, SOCKS4 and SOCKS5 proxy protocols and comes with Rexec, Rsh and Rlogin components in addition to Telnet.