Relacart WAM-432 is a wireless automatic mixer for boardrooms and conference rooms that want a cable-free talker table with controlled gain.

Built on a microcomputer processor, it provides 4-channel auto mixing (selectable 1-4 active speakers), priority speaking with an adjustable open threshold, a 128x64 OLED display and true-diversity FM superheterodyne reception on a 521.25-936.85 MHz carrier with up to 134 MHz system bandwidth and IR auto frequency sync; an optional AMC-20 controller adds camera auto-tracking and links up to five WAM-432 units (about 20 users).

AVSTEK uses the active-speaker limit and open threshold to hold the room's noise floor, coordinates the UHF carrier with IR sync, and where camera-follow is wanted, adds the AMC-20 and cascades units so the design scales from one table to a larger room without losing control.