All R-672 system pieces offer 16 user-selectable, re-programmable channels over a 15-20 MHz bandwidth. The R-672 receiver has a RS232 port for programming user-selectable frequencies, RF, audio levels, diversity, squelch and synthesizer displays. There is also a control switch for mic/line, phase-select and ground-lift on the receiver.  A ten-position digital mic gain control is standard on all T-690 handheld series microphones, and T-772 bodypack systems. Several microphone elements are available on the T-690 handheld microphone series with several lavalier microphone options available for the T-772 bodypack. The T-772 bodypack is ergonomically designed and is the smallest, most compact bodypack Vega manufactures. The bodypack connector on the T-772 is a four-pin Lemo, and the bodypack antenna is a small 1/8 wave helical.