• Jual Spy Hearing Parabola (Alat sadap suara + teropong ...

    Spy Hearing Parabola adalah Alat Penyadap suara / mendengarkan suara pembicaraan jarak jauh (sampai dengan 100 meter), dan juga dapat merekamnya dan dapat diputar kembali untuk mendengarkannya. Memory internal hanya dapat merekam selama 12 detik saja, akan tetapi terdapat Lineout audio yang memungkinkan untuk disambungkan ke alat perekam suara ...

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    Find the best spy gadgets for adults here including spy equipment listening devices, spy devices for a cheating spouse and other devices at the recommended store. Spy Gadgets for Adults: See the Best Selling Units Here Check Out Our 3 Top Spy Gadgets Categories. 1. Spy Equipment Listening Devices 2. Spy Devices for Cheating Spouses 3.

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    The key to understanding this particular shape is a mathematical formula known as a “parabola”—which is why parabolic collectors are named as such. It doesn’t matter what energy you’re trying to focus within the dish, it can focus light, sound energy, or electromagnetic energy. It operates in the same way as a satellite dish, which ...

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    Dollar Store Parabolic Mic: This is a ridiculously easy way to build a very functional parabolic microphone using mostly items purchased from one of those stores where everything is a dollar. Check out the original design at: .Dollar Store Parabolic Microphone

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    Parabolic Sonic Listening Device Microphone Amplifier Spy Bionic Ear Sound 300FT View Product ... Enhanced version Wall microphone voice /ear listen through wall bug spy device View ...

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    Eavesdropping made even easier. The market calls this an Electronic Spy Ear but we just call it "useful” for short. While lacking in complete concealibilty this 11” x 7” front to end listening device not only gives you a clear ear to listen with, but also 12 seconds of digital recording with a record/playback button for saving info you may need later for further review. Thi

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    jual Murah Parabola Spy hearing (parabolic) Mampu mendengar suara samar deari jarak2030 meter Mendengar suara keras hingga 100meter memiliki teropong 8x pembesaran Power 1 batre kotak 9volt (tidak termasuk) dilengkapi headphone jack (standar) Parabola 250mm, memiliki setting fokus untuk titik suara yang didengarkan untuk merekam anda perlu …

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    Applications include nature recording, sports broadcasting, videography, surveillance, or just to enjoy hearing like you never could before. As a low noise, professional microphone preamplifier, this electronic amplifier will add no audible noise to the already exceptionally low …

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    A Spy Listening Device To Capture Quality Digital Audio Gives Proof. When you need to record a conversation you’re having with someone, but don’t want to be obvious, these covert listening devices are perfect for meetings, conferences, interrogations, phone calls and more. Some listening devices have built in sound amplifiers that allow you ...

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    A parabola is a specific geometric curve that has a distinct mathematical property. When a straight line hits any point on the inner surface of a parabolic curve it reflects off the slope to a single common point centered in front of the curve. This position is the focal point of the parabola.

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    May 29, 2017· Enjoy listening the rare calls and other sounds with this handheld parabolic sound dish and monocular. This parabolic microphone sound amplifier and monocular will enable you hear and see ...

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    A parabolic listening device is one of the devices that will help you to listen to conversations from a distance. See a quick list of the best spy hearing devices that are available. Looking for a parabolic microphone dish? How does listening to conversations or noises across a football field sound to you?

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