The C-1616 is designed for easy field programmability. Its modular design offers selection and control of up to six base stations and 16 frequencies. The C-1616 comes standard with two channels. Additional channels may be added by installing another two-line module—sold separately. Its unique vacuum florescent display provides channel alpha/numeric indication, and features clock and audio-level meter. Multiple consoles can be easily programmed by using the serial port located on the back of each console. Unlike other manufacturers’ equipment, the C-1616 requires no additional programming. Optional: handset/headset, gooseneck mic, desk mic, and footswitch.