There are 4 customized keys for faster access to those features. Highly integrated multifunction: The DMR radio has channels scan, manual programming, DTMF, VFO, SMS, emergency alarm, digital remote monitor mode, CTCSS and DCS, and DMR encryption functions. This ham radio handheld supports dual-band, dual standby, and dual display as well. Digital and Analog Compatible: The DR-1801UV is compatible with digital and analog modes, and you can switch to either one anytime.