MICROSEVEN Compatible M7WP-MIC Waterproof Outdoor Microphone for M7B77-W, M7D77-POE, Any IP Network Camera & PTZ IPCamera with Interface -an IP Camera

MICROSEVEN Compatible M7WP-MIC Waterproof Outdoor Microphone for M7B77-W, M7D77-POE, Any IP Network Camera & PTZ IPCamera with Interface -an IP Camera

Outdoor waterproof Microphone - An IP camera external microphone for M7D77-POE Or Any IP Network Camera & PTZ IP Camera with Audio Interface Camera must have Audio interface Microseven Cloud Storage is Now Ready for All Microseven IP Cameras! Plus Free Live Streaming for All Microseven IP Cameras! M7WP-MIC waterproof outdoor Microphone - An IP camera external microphone:
Advanced professional environmental sounds digital microphone, pinhole design, and hidden installation.
It is high sensitivity, high bandwidth, and noise proof. It covers the listening area of 375 sq ft / 35 square meters. It has been used ear handle removable surface annular rib design, easy to wear tube wall installation. There is built-in digital voice processing circuits and micro-processing chip, 0.8mm pinhole design principle used to accurately calculate of the sound reflection angle. There is automatic suppression of the high-intensity sound, reliable protection for the back-end audio equipment. Integrated professional pre-amplifier, microphone head can directly drive active speakers, hard disk recorders, tape recorders and so on. Listening area 108 sqft - 375 sqft Audio transmission distance 3000 m Frequency response 20Hz ~ 20kHz Sensitivity -47dB Signal to Noise Ratio 50dB (40 dB sound source 1 meter) 30dB (10 meters 40 dB sources) 1KHz at 1 Pa Directivity omnidirectional Dynamic Range 80dB (1KHz at Max dB SPL) Maximum sound pressure 120dB SPL (1KHz, THD 1%) Output impedance 600 ohms non-equilibrium Output signal amplitude 2.5Vpp/-25db Microphone Customized omnidirectional capacitor microphone The ordinary four-core telephone wire, category 5 network twisted pair, and shielded cable can be used. Microphone head has built-in lightning protection, power supply polarity reversal protection. Integrated professional built-in preamplifier circuit, no adapter Transmission cable telephone lines, network twisted pair, shielded cable (complex electromagnetic environment with a shielded cable) Supply voltage DC DC 8V-20V (recommended to use 12V, greater than 500 m recommended 15V) Supply current 17 mA Operating temperature -13F ~ 158F Color Silver Shell Material Metal Dimensions L-2.5in ¡Á D-0.75in Weight 1.8 OZ