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Bug sweep your car

bug sweep your car

Bug sweep your car like a pro.

Did you know you can bug sweep your car, provided you do the test right?

Bug sweep your car for bugging devices & GPS trackers by following a specific process. In this article we explain how to bug sweep your vehicle successfully the right way, following the correct process.

Bug sweep your car.

Before you do anything, the first step is to consider motive, and logic? Why might your vehicle be under surveillance or have a GPS tracker attached to it? Exploring motive and cause might give you an idea of what type of bugging device to look for and who may have put it there.

Bug sweeping equipment must scan GSM bands.

You must use a bug detector capable of scanning mobile phone frequencies commonly known as (GSM). There are many bug detectors on offer, make sure your device is capable of scanning GSM , 2G, 3G and 4G bands. (We explain why later in the article).

Scanning area & sweep location.

Take the car to a remote location, preferably a rural area that has mobile coverage. The suspected device needs to trigger and transmit. If there is no mobile phone service then you can’t see the transmissions?

Think about the radio environment where you will perform the test? You are scanning for mobile phone frequencies, so you need to be as far away as possible from mobile phone signals. Modern bugging devices and GPS tracking systems utilise the mobile phone network for sending data.

Your bug detector is designed to receive mobile phone signals but the device can not tell the difference between them. The detector alerts you to any signal close by. EG if a car drives past & the driver is on the phone, then your detector will show a hit, that’s not what you want?

Selecting a quiet location in the countryside is best, especially if you are using a basic bug detector. Use Google maps to search for a location that’s remote and suitible. Selecting a location beforehand is good planning.

Bug sweep your car for GSM bugging devices.

This part of the test is relatively easy and straightforward. GSM voice bug’s 95% of the time, will be inside the vehicle cabin area. The bug needs to hear sound inside the car, so the microphone can listen. Ensure you do not have any mobile phones or devices with you, if you have any, then make sure they are turned off.

  • Leave the vehicle and close the doors, lock the car with the remote control and wait approximately 15 minutes. Stand approximately 20 metres away from the car.
  • Turn on your bug detector, if you have the ability to isolate GSM signals then do that.
  • Approach the car and unlock the car, start the engine and put the radio on or play some music.

If there is a GSM based voice bugging device in the car, it will trigger from sound or vibration. Your bug detector will show you the signal. The signal strength will be high because you’re very close to the source of transmission. The signal will be constant as the bugging device transmits. So not a quick burst, like an SMS message, more of a long notification. 

  • Bug detectors vary, so it’s hard to say here what your device will do.
  • But the signal will be high and constant, if the voice bug is transmitting.
  • Re-taking the test in diferent locations eliminates false signals from people’s phones nearby & other possible sources?

You might try alternative locations for this test, if you’re in a busy area and have a basic bug detector. 

Detecting GPS tracking devices.

Ensure you do not have any mobile phones or devices with you, if you have any, then make sure they are turned off.

  • Leave the vehicle and close the doors, lock the car with the remote control and wait approximately 15 minutes. Stand approximately 20 metres away from the car.
  • Turn on your bug detector, if you have the ability to isolate GSM signals then do that. If you have a basic bug detector then you may not have the option to isolate GSM. Turning off general RF frequencies and only scanning for GSM signals offers you great advantages.

During this test you will be scanning for burst transmissions, on GSM by GPRS packet. Most GPS trackers send location data in burst transmissions, by radio packet. EG, GPRS packets are sent from your mobile phone when you open and read an email. Most tracking devices use the same method over GSM.

Advanced bug detection equipment.

If you’re using a professional detection device, then you probably have a logging system. In that case you can continue to drive the car for approximately 3Km. 

Once you stop, look at the detectors signal log graph for a full size signal spike. If the spike is consistent over time phazes then you will see the patern. GPS trackers send burst transmissions at set times or by distance trigger intervals.

Using a basic bug detector & GSM to bug sweep your car.

Follow the same process above, to bug sweep your car, but have a friend with you for safety. Basic bug detectors don’t have isolation options for GSM. This means you will have to use a clock or stopwatch to manually note down signal burst events. 

  • Start the clock and drive the car approximately 3Km.
  • Each time the bug detector shows an alert, note the time, and the distance.
  • You can monitor distance by checking the car’s odometer.
  • Once you cover aproximatly 3Km check your notes / records and see if you can find a consistent pattern for time and distance.

Sweeping for tracking devices is not so easy when using a basic bug detector, but it’s not impossible to bug sweep your car? The main issue is false signals from many different radio sources. It’s harder to differentiate what signals might be comin from a tracker opposed to signals from outside sources.

bug sweeping your car with manual and physical inspection.

In all cases a manual & physical search should be performed, like looking under the chassis of the vehicle for suspicious devices. Such devices are usually magnetic in design. Use a mirror and a torch to check, if you do not have access to a car ramp.

You might also want to visit your local  type supplier, and report something knocking or banging under the vehicle, tyre fitting professionals will spot something out of place under a car, very quickly?

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