Non-Linear Junction Detector
ORION™ HGO-4000 - Research Electronics Intl. (REI)
The ORION HGO-4000 is REI’s original high gain Non-Linear Junction Detector for special applications. The ORION HGO-4000 can locate listening devices and semiconductors in walls floors, ceilings, fixtures, furniture or containers and provides a user the capability to detect hidden electronic devices, regardless of whether the device is radiating, hard wired, or even turned off.