ADC, Microphone system, models:

Digivance ICS 1900	Installation Instructions Manual
FlexWave MMW 110	Specification Sheet
FlexWaveTM MMW 100	Specification Sheet
HI GAIN H2TU-C-388 LIST 4G	Quick Installation
HiGain HLU-388 List 5D	Quick Installation
WFX-3500-4 L31	User Manual