Letter Re: Cell Phone Blocking/Masking
Hi James, For people with cell phones having non-removable batteries, I have wondered if cell phone tracking could be blocked by removing the sim card. I have such a phone, and although removing the battery is not an option, removing the sim card is pretty straightforward. – B.G. o o o Dear Editor, I work exclusively with cell phone RF protocols (4G/LTE, Bluetooth) and can say this “evidence bag” does the trick. http://a.co/7z56VAh In a separate item please let SurvivalBlog readers know that Polar Pure is back on the shelves in the USA after resolving its conflict with the geniuses …