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Dash Cam Interference with Car Radio Waves: Seeking Reasons

dzedaj2000 8121 8
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  • #1 16347611
    dzedaj2000
    Level 14  
    Posts: 445
    Rate: 37
    Hello, when I have the car radio turned on and I turn on the video recorder, the radio suddenly loses its waves. What could be the reason?
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  • #2 16347627
    Ture11
    Level 39  
    Posts: 5408
    Help: 573
    Rate: 1116
    Most likely the device's inverter is causing interference.
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  • #3 16347647
    dzedaj2000
    Level 14  
    Posts: 445
    Rate: 37
    Ture11 wrote:
    Most likely the device's inverter is causing interference.


    Any easy way to stop this interference?
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  • #4 16347652
    pawelr98
    Level 39  
    Posts: 6461
    Help: 413
    Rate: 1152
    Either a better converter or linear power supply.

    Linear will not be bothersome somehow because this video recorder probably does not download too much.

    For a test, you can also quickly wrap the device in aluminum foil and see if it gives way.
  • #5 16347666
    dzedaj2000
    Level 14  
    Posts: 445
    Rate: 37
    Linear will not be bothersome somehow because this video recorder probably does not download too much.


    Mirror type video recorder It is strange that there is no written model.
  • #6 16353489
    SZYMON BYDGOSZCZ
    Level 38  
    Posts: 3845
    Help: 340
    Rate: 1702
    dzedaj2000 wrote:
    Mirror-type video recorder.


    Power supply inside or on the lighter?
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  • #7 16353766
    dzedaj2000
    Level 14  
    Posts: 445
    Rate: 37
    SZYMON BYDGOSZCZ wrote:
    dzedaj2000 wrote:
    Mirror-type video recorder.


    Power supply inside or on the lighter?


    On the lighter.
  • #8 16353860
    SZYMON BYDGOSZCZ
    Level 38  
    Posts: 3845
    Help: 340
    Rate: 1702
    Give a 12v stabilizer at the input.

    I had a similar problem with GPS coverage in navi.

    When I turned on the recorder, navi (added to the glass) did not catch the satellites.

    The stabilizer did it positively.
  • #9 16361960
    dzedaj2000
    Level 14  
    Posts: 445
    Rate: 37
    SZYMON BYDGOSZCZ wrote:
    Give a 12v stabilizer at the input.

    I had a similar problem with GPS coverage in navi.

    When I turned on the recorder, navi (added to the glass) did not catch the satellites.

    The stabilizer did it positively.


    I sold
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Topic summary

✨ The discussion revolves around the interference experienced when a dash cam is activated while the car radio is on, leading to a loss of radio waves. The primary cause identified is the inverter of the dash cam, which can disrupt radio signals. Suggested solutions include using a better converter or a linear power supply, which is less likely to cause interference. A temporary test involves wrapping the device in aluminum foil. Additionally, the use of a 12V stabilizer at the input is recommended, as it has resolved similar issues with GPS devices in the past.
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