The SL CM VB VESA bracket can be used to install the Ceiling Mic at standard VESA compatible mounting accessories. It features both 100mm x 100mm and 200 x 200mm mouting holes.
"Passive 2-way True Diversity antenna splitter/combiner for the SpeechLine Digital Wireless microphone series with 2 RF inputs and 4 RF outputs, DECT Range (1880 - 1930 MHz) "
"Passive 4-way True Diversity antenna splitter/combiner for the SpeechLine Digital Wireless microphone series with 2 RF inputs and 8 RF outputs, DECT Range (1880 - 1930 MHz) "