... . Its slim, rackmount design allows you to install two RF modules* in one unit. In addition, the ... installing an optional RF unit, UR-FR5100 series. Two RF modules can be installed in a chassis ... CTCSS and DTCS on a channel (up to 16 tones on a table) and downlinks (transmits) the received ... Cable and Related accessories.They are suitable to famous Two-Way Radios, such as MOTOROLA, ICOM, KENWOOD, Yaesu ...