Cell phone jitterbug

By getting a portable cell phone jammer, people will never be disturbed by others cell phones and enjoy serenity on trains, subways, buses, in the grocery market, shopping mall and café. ... The top manufacturers reportedly sell primarily to military and law enforcement but will sell the devices to anyone with the disclaimer that it is up to the buyer to make sure the device is legal in his or her country and that the buyer assumes all legal responsibility for buying, ...