The surface mount CM11B has an Omnidirectional pickup pattern that captures sound in a 180 degree pattern. A perfect application would be to place a CM11B microphone in the centre of a board room or conference table to pick up everyone in the meeting. Surface mount Omnidirectional boundary microphone Condenser element Half Omni Pickup Pattern Internal Hi-pass filter Mini XLR connector Includes 30-foot cable with mini to standard XLR connectors 9-52 Volt Phantom Power Operation Black Version .