CF-020A _ UFO explosion Waterproof pickup 1, CF-020A UFO water proof pickups, professional ambient sound collection, assembly of imported kits. 2, panasonic professional recording interviews point to sound head, within 2.5 meters fidelity, high sensitivity, high bandwidth, no noise. 3, built-in high fidelity Harry Nyquist dynamic voice processing, automatically improve voice quality. 4, the maximum 20dB adaptive noise reduction capability, reduce the background noise and the environment. 5, pre-AEC super eliminate tail technology to enhance high-fidelity pickup capacity. 6, automatically adjust the sound and the instant impact of high-intensity sound, reliable protection of the back-end audio monitoring equipment. 7, zinc aluminum alloy shell material after oxidation, light weight, elegant appearance. 8, surface blasting coating, using adhesive type base, easy to install and use. 9, long the line audio transmission technology, using ordinary twisted pair 2 km without distortion. 10, -30 ℃ ~ 80 ℃ operating temperature range. 11, industrial SOT23-6 power polarity reversal protection. 12. Integrated Integrated professional voice processing chip, which can be accessed speakers, computer, hard disk video recorders, network cameras. 13 pickups suitable for the Inland Revenue Department, banks, public security, supervision, justice, security, and other departments of the window audio monitoring. Performance Indicators Project pickups pickup performance Model CF-020A UFO water proof pickup pickup pickup range of 50 square meters Ondo Ondo Panasonic taped omni directional characteristics omnidirectional sensitivity of -45 dB (10.0 mV e 1V at 1 Pa) SNR 70 dB (1 kHz at 1 Pa) distortion A ≧ 0.2% (74dB sound pressure, A-weighted) Distortion B ≧ 1.1% (110dB sound pressure, A-weighted) Maximum sound pressure 126dB sound pressure (1 kHz ≤ 5% THD, A-weighted.) Frequency Response 20Hz ~ 20kHz (70dB sound pressure, A-weighted) Audio output value of 2 Vpp / 90dB sound pressure (A-weighted) signal processing fidelity dynamic voice Harry Nyquist handles dynamic range 76 dB (1kHz at Max dB SPL) output impedance of 200 to 1000 ohms unbalanced (customizable other impedance) Audio output value 2Vpp / 120dB sound pressure (adjustable) protection circuit power misconnection protection connection three: the power cord positive (red), audio positive ( White), the common ground black (Audio negative) signal transmission distance of 2000 meters (complex electromagnetic environment please use shielded cable) Power supply voltage linear power supply DC 9V-15V (recommended to use 12V) supply current 30 mA Operating ambient temperature -30 ℃ ~ 80 ℃ electromagnetic compatibility in line with GB20815-2006 housing material zinc alloy silver three M4 mounting screws wall or ceiling Dimensions 70mm × 20mm mm Weight 110 g