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Pro Bug Detectors

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  1. 5G Multiband Wireless Activity Monitor
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  3. Handheld RF Spectrum Analyser 13.44 GHz
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  4. 5G Cellular Activity Monitor with 2.4 and 5 Ghz WIFI-Bt
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  5. Pro 0-12Ghz Wideband Detector with Memory
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Professional Bug Detectors

Professional Bug Detectors are becoming more popular as people see an increase in the use of covert surveillance equipment. The Spy Depot has been selling Professional Bug Detectors since 1998 and are Australia’s leader in Bug Detection Equipment. Check out our range above. You can also check out our range of Camera Detectors, Bug Detectors, Non Linear Junction Detectors, or Spectrum Analysers.

Professional Bug Detection gear is generally harder to use and is designed to pick up radio frequency (RF) signals that are less obvious. Some people prefer to use frequency counters and spectrum analysers to detect a signal. we find that standard off the shelf detectors work quite well once you are familiar with them, so the trick is to learn how to use them.

When you are looking for a listening device, gps tracker or hidden camera, you will probably see lots of signals. These can be can be bugs, hidden cameras, normal wifi, Bluetooth, wireless phones etc.

This is why it important to understand the information the Professional Bug Detector is providing you.

In the past it was mainly listening devices that people purchased Professional Bug Detection for. Now with so many WIFI and 3/4G cameras on the market, hidden cameras are the new top concern. As well as covert GPS trackers on their vehicles. The SpyStore has the best range of  Bug Detectors, Professional Bug Detectors, non linear junction detectors, spectrum analysers, and GPS Tracker Detectors.

In conclusion, the fastest way to see if you have been bugged, or watched with a hidden camera or listening device, is to purchase one and learn how to use it.

Frequency Range

Each Professional Bug Detector has a range of detectable frequencies. Most start at close to zero but it’s how high they go that makes the difference. Some detectors can detect up to 14GHz, and some 6GHz, and some just a couple. Since most action happens under 6GHz, a 6GHz Professional Bug Detector covers most of the common surveillance equipment used in Australia.

Filters & Frequency Display

Once you get into a higher range of Professional Bug Detectors then you will start being able to see what frequency is detected as they display it on a screen. This is super beneficial as you can see if it is a mobile tower, a WIFI device or a Bluetooth device etc. Most Professional Bug Detectors also filter out a lot of the garbage background signals leaving you with a clean detection.

What are the Common Frequencies Found

You can learn more about the Frequency Spectrum used in Australia below. Generally we look for things out of place, like a clock with WIFI, a double adapter with RF signal, and of course finger prints in places they shouldn’t be. If you are looking for VHF/FM signals, roughly between 80MHz and 120MHz, Bluetooth around the 2.4GHz, WIFI either 2.4GHz or 5GHz and for mobile towers there is quite a list.

See more here

Detection Range

The detection range is how far the Professional Bug Detectors can pick up the signal. This differs hugely between models, with some cheaper units just 30cm. We have picked up WIFI devices over 50 meters away with the Pro Series. A lot of Professional Bug Detection Equipment also have a sensitivity adjustment so if you are picking up too many signals you can just reduce sensitivity.

Detection Types

Most Professional Bug Detectors that detect RF will pick up Phones, Towers, WIFI, Bluetooth, GPS Trackers and RF Listening Devices. With the many different frequencies used by the Phone Networks, some are better than others at different frequencies.

What is RF (Radio Frequency)

Radio frequency (RF) electromagnetic radiation (EMR) is the transfer of energy by radio waves. RF EMR lies in the frequency range between 100 kilohertz (kHz) to 300 gigahertz (GHz). RF EMR is non-ionising radiation, meaning that it has insufficient energy to break chemical bonds or remove electrons (ionisation). So basically RF is an active signal as a device pushes information into the environment via radio waves.

How Does a Professional Bug Detector Work

Despite the price and complexity of Professional Bug Detectors, the theory is quite simple. Professional Bug Detectors simply act as a radio receiver across millions of frequencies and when they detect a signal, they notify you. We have some blog articles on detection.

What is Lens Detection

Lens detection, or lens scanning is a red light that emanates from the Bug Detector and you watch via a special lens in the device. When you face an area with a hidden camera, you will see it reflect back and sparkle. This tells you to have a closer look at the item that may have a concealed lens. Generally these are not in the Pro Series.

What is IR Scanning

Some Bug Detectors have IR scanning, or Infra Red scanning. This is specifically designed to find concealed cameras that use IR for Night Vision. Using IR scanning, Lens Detection and RF detection together gives you a great chance at finding hidden cameras. No matter what they are concealed in. Unless they don’t have Night Vision, then IR scanning is of no help. Gennerally this feature is not included in the Pro Series.

What is EMI Detection

EMR Detection specialises in identifying the sources of electromagnetic radiation. Some Professional Bug Detectors with this feature require the unit to be quite close to the target.

Why is Magnetism Detection Used

Many GPS Trackers utilise rare earth magnets to hold them to the vehicle. Using magnet detection can help detect these through the car floor. In our opinion, a good visual search under the car is also beneficial to detect GPS trackers.

What are NLJD (Non Linear Junction Detectors)

The non-linear junction detector, or an NLJD, is a device that illuminates a small region of space with high-frequency RF energy. Any ‘non linear junction’ in the vicinity will receive this energy, and because of the asymmetric response of the junction to an electric field, it will mangle it, re-emitting some of it on multiples of the illumination frequency. NLJDs are a high priced, complex bit of kit that are normally only used by top level experts, and are not recommended for beginners.

What are Spectrum Analysers

A spectrum analyser measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals. Spectrum analysers can be complicated, but are considered one of the gold standard devices to use for Professional Bug Detection.

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