The C 007N is a boundary layer condenser microphone with an omni-directional polar pattern in nickel through desk,ceiling or panel mount. It is designed for surveillance in sensitive areas - banks, airports, railway stations, law courts, conference and convention centres. The microphone is made of a brass construction and includes 39”(1 metre) of cable, with open ended termination. Frequency response 50 Hz to 18 KHz.