Using this is against federal law in the US, so I suppose buyer beware. Edit: source https://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf https://transit

Using this is against federal law in the US, so I suppose buyer beware. Edit: source https://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf https://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf Edit 2: selling and marketing it is also against federal law, and the seller appears to be a US resident with credentials listed in the Kickstarter. Facepalm.