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These are operating off of Chinese cell towers near the border, so the Nork authorities have no access to cellular system records. They have to use plain old RF
by fnordfnordfnord 11y ago
These are operating off of Chinese cell towers near the border, so the Nork authorities have no access to cellular system records. They have to use plain old RF direction finding techniques to pinpoint the location of a signal, and then catch a person with an illegal cell phone in their possession.
- BuildTheRobots 11y agoThanks -makes perfect sense. I didn't realise they were using an out-of-country cell network to initiate communication.
- fnordfnordfnord 11y agoSure, it was in the last paragraph on page 1 of the article.