Our Products Microphone Noise-cancelling NB-4022 Shape size: ∮4.0 x h2.2 Very small,thin typeClose talk characteristics effectively reduce ambient noiceMost suited to products having limited Space Capacitor inside: 10pF(DECT, PHS, PCN, PCS.etc.) 33pF(GSM.PDS.etc.) 10pF+33pF(DECT, PHS, PCN,GSM,PDS.etc.) Specifications: Sensitivity: See above(0dB = 1v / Pa, 1kHz) Impedance: Less than 2.2KΩ Directivity: Noise cancelling Frequency: 100-10,000Hz Max. operation voltage: 10.0V Standard operation voltage: 2.0V Current consumption: Max. 0.5mA Sensitivity reduction: Within-3dB at 1.5V S/N ratio: More than 50dB Shape size: ∮4.0 x h2.2 PDF Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back