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WLT-300 Non-linear Junction Detector

WLT-300 Non-linear Junction Detector(NLJD)



• Eavesdropping device and similar electronic appliances detection in premises (radio microphones, microphone amplifiers, dictaphones, remote control bomb devices, etc.) 

• Electronic units detection in any operational mode: active, stand-by or switched off



• building structures inspection as well as furniture and other domestic article

• Compatible with airport electronic & communication equipment

• recommended for questioned items primary control by airport security service 



√ the last representative of the famous NLJD family

√ unbeaten power potential budget – 173dB, extended tuning facilities, outstanding noise immunity, in particular to whatever cellular communication signals – all that ensure its high efficiency in any operating conditions 

√ easy-to-use, up-to-date ergonomic design, high quality reliable units and components



Output power


- pulse / average

not less than 180W / 0.2W

- envelope separation mode (20K)

not less than 30W

Probing signal power attenuation

8dB, one stage

Receiver sensitivity (under 6dB signal/noise ratio)

not worse than -150dBW (-120dBm)

Input signal attenuation

10dB x 5 steps

Antenna, polarization

directional, circular






4-line LCD

Target localization accuracy

not less than 0.1m

Power supply

built-in Li-Ion battery

Continuous operational time

not less than 4h

Weight (ready for operation / in standard packing)



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