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...NLJD with high-frequency RF energy finds potential eavesdropping devices by flooding a The Non-Linear Junction Detector (NLJD) detects electronic semi-conductor components in walls, floors, ceilings, fixture...
... and large company to protect secrets from eavesdropping and monitoring. People use it to detect any electronic device hidden in walls, floors, ceilings, lamps, furniture or containers. It has 120-200mm dete...