Model: | J.Tradio |
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Brand: | Tradio |
Origin: | Made In China |
Category: | Security & Protection / Surveillance Equipment |
Label: | bug microphone , spy microphone , sound surveillance |
Price: |
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Min. Order: | 1 pc |
J.Tradio audio surveillance bug microphone, 40sq.m monitoring range, water proof design, covert/hidden surveillance, can connect directly to DVR, VCR, active loudspeaker, headphone, soundcard of PC and anywhere CCTV installed, the maximum wire transmit distance can reach 3 Km(shield cable is required), it only need 12V DC power supply. Most of Tradio audio surveillance microphone are widely used in banks, prisons, interrogation rooms, museum, auction hall, airport hall, ICU of hospital, classroom, warehouse, hotel, big stadium etc. During 2008, our products serve Beijing Olympic Games. Such as Water cube, we are respected by users around the world for an excellent sound experience with low echo & noise.
Introduction:
1.Professional wired audio surveillance & monitoring microphone.
2.Low noise, low echo.Pinhole design,covert installation.
3.Head and seat are separately, head is as big as thumb.
4.Built-in digital audio disposal circuit, two step dynamic de-noise disposal.
5.0.8mm pinhole design, precise reflecting angle of voice.
6.Restraining high intensity voice automatically, protecting rear receiving devices.
7.Advanced echo canceling technology, successfully eliminating echo interfere.
8.Pinhole style, Widely used in jail room, interrogation room, visiting room.
9.Restraining high intensity voice automatically, protecting rear devices.
10.Long-distance transmission, the maximum transmiting distance can reach 3km. shield Cable is required: 3 x 0.5mm2 RVVP cable, 4 core phone line, network twist line, etc.
11.Built-in over-loading protection and lightning proof circuit.
12.Pre-amplifier, directly drive DVR, VCR, headphone, loudspeaker etc.
13.Excellent voice experience, widely working temperature: -25~75°C
14.Pinhole style, Widely used in jail room, interrogation room, visiting room.
15.According with CE standard.
Parameter:
Monitoring Range 10~40sq.m
transmiting distance(shield cable) 3km
Frequency Response 20Hz ~ 20kHz
Sensitivity -45dB
SNR 55dB(1m/40dB) 35dB(10m/40dB)1KHz at 1 Pa
Polar Pattern Omni-directional
Dynamic Range 85dB(1KHz at Max dB SPL)
Maximum Level Input 120dB SPL (1KHz,THD 1%)
Impedance 600ohm (imbalance)
Signal Output Extent 2.5Vpp/-25db
Microphone Electret condenser
Special Circuit DSP de-noise, AGC circuit
Protect Circuit Over-loading protection, Lightning proof
Audio Preamp Build-in
Cable Power+, Audio and GND 3 x 0.5mm2 RVVP cable
Voltage DC 12V (8 ~ 20V)
Current 20 mA
Temperature -25°C ~ 70°C
Color White
Shell's Material Anti-fire material
Size 79mm×79mm(seat),15mm×18mm(head)
Weight 100g
Standard CE
Beijing Kuaiyu Co.,Ltd | |
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Country/Region: | Beijing - China |
Business Nature: | Manufacturer |
Phone: | 0086-010-82001010 |
Contact: | Javy (sales manager) |
Last Online: | 30 Apr, 2009 |