The C 3100-RF-CP is a slim line cardioid condenser gooseneck microphone with an open ended termination, supplied with ceiling plate and CPPW 01-RF, 125mm long in satin black. Designed for use in boardrooms, conferencing and a wide variety of applications with good consistent sound quality. The short gooseneck condenser microphone has a cardioid polar pattern and slimline profile design. The microphone is made of robust high quality brass construction using a 6mm flexible gooseneck open ended termination. The C3100-RF-CP is mounted on a ceiling plate which has a CPPW 01-RF attached accepting 9 to 48 volts phantom power. The phantom power adaptor also includes filters which will eliminate all GSM frequencies from 800-1200 MHz.