

The use or marketing of a jammer in the United States may subject you to substantial monetary penalties, seizure of the unlawful equipment, and criminal sanctions including imprisonment. It is also unlawful to advertise, sell, distribute, import, or otherwise market jamming devices to consumers in the United States. Local law enforcement agencies do not have independent authority to use jamming equipment in certain limited exceptions use by Federal law enforcement agencies is authorized in accordance with applicable statutes. There are no exemptions for use within a business, classroom, residence, or vehicle. The use of a phone jammer, GPS blocker, or other signal jamming device designed to intentionally block, jam, or interfere with authorized radio communications is a violation of federal law.

Signal jamming devices can prevent you and others from making 9-1-1 and other emergency calls and pose serious risks to public safety communications, as well as interfere with other forms of day-to-day communications.
