The TYT TH-9800 50W Quad Band Dual Display Repeater Car Ham Transceiver Radio is a powerful mobile/in-vehicle radio designed for ham radio enthusiasts. With quad band operation on 29/50/144/430MHz frequencies, this transceiver offers a wide range of communication capabilities. It features a variety of useful functions such as repeater offset shift, auto power off, and 0-9 SQL grade setting. The radio also includes options for high/mid/low power selectable, CTCSS, time-out timer, voice commander, and emergency alarm. With a channel capacity of 200CH and channel spacing ranging from 5 to 50KHz, the TYT TH-9800 is a versatile and reliable communication tool for car ham radio users.