Communication Handy-Talky is still with the times, though many have left the handheld radio wave-based radio and switch to the communication that features more sophisticated such as a smartphone, but it can not be denied Handy-Talky function can not be replaced, when in an emergency , Handy-Talky able to facilitate communication. Until now institutions such as offices, companies, and government agencies are still using Handy-Talky as an alternative communication. To be able to connect with smartphones that have installed software zello the same function with Handy-Talky. In order to connect with HT it is necessary to design the interface so that communication Handy-Talky can be connected to each other by a smartphone or PC, However the second communication mode is fixed at each frequency, smartphones and PCs still utilizing the Internet and HT remains at radio frequencies , Thus it is designed to be a tool for both communications are interlinked ie with echolink interface. Interface design can work according to the planned scheme, the input and output of the HT and application zello, produce a good sound depends network bandwidth is used.
Keywords: HT, Echolink Interface, Smartphone, PC, Communication and Internet.