Public safety grade mil spec mic is fully waterproof with volume control and 3.5mm earphone jack. Often used as a military speaker mic for ICOM radio, this durable speaker mic features: . Emergency Button . High/Low Volume . Antenna Jack . 2.5mm, 3.5mm or 3.5mm threaded audio jack CABLING . Jacket: 5.5 Polyurethane, Kevlar Reinforced MECHANICAL . Axial Pull at Speaker Mic Head: 50lbs ENVIRONMENTAL . RoHS Compliant Kevlar Reinforced Professional Grade - MILSPEC 810F SPEAKER Transducer Moving coil dynamic speaker Impedance 8;15% @1KHz Sensitivity 120 dB;10%@1KHz Resonance freq (F0) 400HZ;20% Frequency response F0~9KHz Rated input power 0.5W Maximum input power 1W MICROPHONE Type: Noise Cancelling (available without) Transducer Electret condenser microphone Sensitivity -34;2dB@1KHz 2.2K 3V 0dB=1v/pa Impedance Max:2.2k @1KHz Directivity Omni-directional Frequency 100Hz;16000Hz Max operation voltage 10V Standard operation voltage 3V Current consumption Max: 0.5mA S/N ratio Min: -34dB @1KHz CERTIFIED MIL-STD-810F . Low Pressure Altitude (MIL-STD-810F, Proc. 500.4) . High Temperature Storage, Cyclic (MIL-STD-810F, Method 501.4) . High Temperature Operation, Cyclic (MIL-STD-810F, Method 501.4) . Low Temperature - Storage (MIL-STD-810F, Method 502.4) . Low Temperature - Operation (MIL-STD-810F, Method 502.4) . Temperature Shock (MIL-STD-810F, Method 503.4) . Solar Radiation (MIL-STD-810F, Method 505.4) . Wind Driven Rain (MIL-STD-810F, Method 506.4) . Humidity (MIL-STD-810F, Method 507.4) . Salt Fog (MIL-STD-810F, Method 509.4) . Dust Robustness (MIL-STD-810F, Method 510.4) . Humidity (MIL-STD-810F, Method 507.4) . Salt Fog (MIL-STD-810F, Method 509.4) . Random Vibration (MIL-STD-810F, Method 514.5) . Mechanical Shock Exposure (MIL-STD-810F, Method 516.5) . Shock-Transit Drop (MIL-STD-810F, Method 516.5)
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