b'22 Clockaudio -Boundary Omni MicrophonesC 30HC 015E-RF through chair / panel mount tabletop boundary microphoneboundary microphone New style omni-directional boundary layer condenser Through desk/ceiling/panel mount Boundary Layer Microphone. microphone featuring programmable touch pad switching for The microphone is constructed from high quality brass andprofessional AV applications such as meetings, conference and includes filters offering immunity from GSM and other sources oflectern installations.frequency interference . Optimised for speech clarity, these RF-immune boundary microphones feature built-in Phantom Power module and are RF friendly technology offering immunity from GSM (cellphones) finished in satin black. and other sources of frequency interference.Low profile Back electret Condenser MicrophoneDesigned for conferencing and security applications.The Microphone is constructed from high quality brass.Total Harmonic Distortion (THD) at an operating level of 120dB is no greater than 1%.Finish: Satin Black.Also available in Nextel Suede Coating finishes (Custom Orders Only)Models:C 30HModels:Model: C 30H C 015E-RFOmni-directional Type Condenser (Back Electret)Polar Pattern Omni-Directional Model:C 015E-RF Frequency Response 50Hz~20KHzPolar PatternOmni-directionalSensitivity -68dB3dB @ 1 KHz (0dB = 1 v/Pa)Frequency Response50Hz ~ 20KHzImpedance 200 OhmsSensitivity-44dB 3dB @ 1KHz (0dB=1vPa)S/N Ratio 68dB(A)Impedance200WPower Requirements 9~48v Phantom Power through CPPW 01-RFSwitchingProgrammable for PTT PTM & LatchingTermination Open endedPower Requirements9 ~ 48v Phantom PowerFinish Satin Black S/N Ratio70dB(A)Dimensions 30mm x 17mm x 11mm TerminationMale 5 pin XLR with remote switch ability'