This transceiver has the following main features. • Has a built-in TNC which conforms to the AX.25 protocol. With a portable computer, allows you to enjoy Packet operation quite easily. • Includes a program for dealing with data formats supported by Automatic Packet/ Position Reporting System (APRSÒ) . • Is capable of receiving packet data on one band while receiving audio on another band. • Contains a total of 200 memory channels to program frequencies and other various data. Allows each memory channel to be named using up to 8 alphanumeric and special ASCII characters. • If programmed, the built-in Continuous Tone Coded Squelch System (CTCSS) rejects unwanted calls from other stations. • Equipped with an easy-to-read large LCD with alphanumeric display capability. • Employs a 4-way cursor key so that you can program most of the functions with only one hand. • Enhances the functions of an optional VC-H1 Interactive Visual Communicator designed for plug-and-play color slow-scan television (SSTV). • Utilizes Sky Command System 2 designed to control a KENWOOD HF transceiver at a remote location (TH-D7A only).