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This draft is not adequately supported by reliable sources. Wikipedia's verifiability policy requires that all content be supported by reliable sources.
Declined by Qcne 9 months ago.
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Comment: Still unsourced... needs inline citations. – haj ☘ (talk) 00:40, 14 September 2025 (UTC)
a Vietnamese siren jammer is a radio Jammer used in Vietnam to jam shortwave or a.m. broadcasts like Radio Free Asia, Radio Đáp Lời Song Núi, as well as Radio Sweden.the jammer is used because of the corruption in Vietnam to prevent signals that they are sensitive about. typically radio Jammers use a signal to noise and fill the frequency with noise so nobody can listen to rf signal. The use of siren jammers in Vietnam has been reported by shortwave listeners and radio hobbyists, who have documented their effects on specific frequencies. The devices operate by broadcasting interfering signals on the same frequency as the target station, effectively masking the original transmission.
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