Perceptions of mobile basestation simulators be like.

US: The StingRay is an extremely sophisticated and dangerous spying system used by the FBI, conducting mass surveillance on citizens!
China: Ah yes, all scammers have one at the back of their van for SMS spamming and 2FA code sniffing to steal credit cards since the 2010s. Every Shenzhen market vendor with a laptop and a radio front-end can put together their own rig for sales.

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