Here is the World's Smallest Cellphone Jammer and it is not actually a Cigratte pack. This all ne cellphone jammer comes with cigarette like design and you can really place the compact device into an empty regular size cigarette box for maximum camouflage. This Cigarette Pack cell signal jammer is priced at $45.99.The jammer works with GSM 925-960 MHz,3G 2100-2170 MHz and DCS/PHS: 1800-1930 MHz