Be cautious of cell phone jammers as criminals might incorporate them into their arsenal for illicit purposes. These portable devices, capable of initiating a "denial of service" or "DOS attack," are available for purchase on different online platforms for $1,000 to $2,000. However, the penalty for possessing one could exceed $10,000. Despite their compact size - with one model reportedly able to "fit into any empty cigarette pack" - these devices are highly potent. Once activated, they…