The SM 80S-RF-PTT is a through table microphone Shock Mount with phantom power adaptor and push to talk switch and Bi-colur LED, Termination Input - 3 pin TA 3MB Male Tini Q Connector and Output – 3 PinMale XLR, finished in satin nickel. A hinged flap allows the unit to sit almost flush to a table once the microphone has been disconnected, allowing the table to be used for other matters. It is supplied with a dedicated phantom power adaptor designed to power the C 3100 miniature gooseneck microphones terminated with Tini Q (mini XLR) 3 pin connectors. The Phantom power adaptor accepts 9 to 48 volts DC and has an impedance of 200 Ohms. The phantom power adaptor includes filters, which will eliminate all GSM frequencies from 900-1200 MHz and is terminated with a male 3 pin XLR.