In other words, the cell phone tower’s owner can then intercept any calls or communications within the vicinity, not to mention having the ability to push spyware to the device remotely.
To prove their point, they went on a road trip from Florida to North Carolina, where the device managed to come across 8 different interceptors. That does not sound too shocking, until one takes into consideration that baseband interceptors happen to be extremely expensive to produce and difficult to create, so that only those who are extremely committed to the cause, or is flush with cash, can produce them. There was a similar interceptor at a casino in Las Vegas, although plenty of these interceptors were discovered to do the top of military bases and government facilities.