A Non-Linear Junction Detector (NLJD) is used for detection of all kinds of non-linear junctions, which may be semiconductor or metallic. Winkelmann has developed a range of portable, field operatable hand-held NLJD systems, which is an advanced detector using the Harmonic Radar principle to aid the security professionals in the search of concealed electronic devices.

The HAWK XTS is a portable, simple to use advanced Electronic Device Detector, also known as a Non-Linear Junction Detector (NLJD). The HAWK XTS is capable of locating and confirming the presence of electronic components found in devices, regardless whether they are switched on or off. Devices like Radio Transmitters, Power Amplified Microphones and Electronic Timers etc. contain non-linear junctions and will be detected even if they are embedded in the cabinets and either in conducting or non-conducting states.

The HAWK XTS provides excellent discrimination between electronic and corrosive (2nd and 3rd harmonic) junctions and utilizes automatic power control which reduces the transmit power to a level where a good distinction between the different levels is visible, making it easy to discriminate between true electronic junctions and false corrosive junctions.

	HAWK XTS-900 - field operatable NLJD system, lightweight, robust, utilizing modern technology and shaped to allow easy handling. Deployed by engineer search teams to detect RCIED's. The lower frequency of the XTS-900 provides greater penetration in the ground. More >
	HAWK XTS-2500 - used by professional & government sweep teams for detection of hidden electronic surveillance devices, provides excellent discrimination between electronic and corrosive targets. The higher frequency of the XTS-2500 provides greater detection of mobile phones and similar devices. More >
	SEARCHER-2500 is the most compact handheld NLJD on the market today, ideal for unobtrusive body-search, mail screening and TSCM sweeps of small offices for locating concealed electronic devices. More >