The OMNITRONIC DAD Audio Link Module is a transmitter module for installation in the DAD-4RX 4-channel receiver housing or for retrofitting the MOM-10BT4 modular PA system. It provides wireless audio transmission to DAD receiving units using 16 selectable UHF frequencies across the 823–832 MHz and 863–865 MHz bands. The module features a frequency display, level control, detachable rod antenna, BNC antenna connection, 10 mW RF output, and an operating range of up to 30 m with line-of-sight.