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Lornet-0836 - Double probing frequency non-linear junction detector

The non-linear junction detector LORNET-0836 is the indispensable tool for quick and reliable detection of devices containing semiconductor components. It can be used for counter-surveillance search works in premises (covert transmitters identification), as well as for location of explosive devices outdoors. The DPF (double probing frequency) technology with a patent pending antenna system places it truly apart from the competition.
Main competitive advantages:
• Double probing frequency operation mode gives significant advantages over single frequency NLJD since it is much better to detect small-sized and high-frequency semiconductor objects at high frequencies whereas the use of low frequencies benefits from improved detection in the wet ground and concrete walls;
• It is possible to operate in one of the frequency ranges and in both of them simultaneously; 
• An embedded parabolic antenna with high gain (20 dB at 3600 MHz) enables highly precise detection of semiconductor components from a long distance.
• Laser pinpointing for a space selective object localization;
• Wide power control range, automatic and manual modes of probing signal level adjustment;
• Possibility to listen to the envelope detector output as well as to the received signal level via a built-in loudspeaker and wireless head phones to evaluate parametric impacts (e.g. knocking) on the suspicious object.
• Low-frequency range (800 MHz) gives opportunity the operate high humidity. 
• High frequency range (3600 MHz)gives opportunity to spatially select the semiconductor elements location
• Reliable detection of the SIM-card at a distance of 80 centimeters.
• Compact device, the weight is 1 kg.
• Lornet is equipped with an automatic system of protection against centered jamming by criterion of a minimum noise in the receiver path of the 2nd harmonic.
• Electromagnetic radiation towards the operator is many times less than one setted by the Regulator.
Technical characteristics:
Type of probing signal
- pulse modulated carrier with a duty cycle of 0.4 % (Pulse)
- pulse modulated carrier with a duty cycle of 6.0 % (CW)
Lower probing signal frequency 789,5 ... 791,5 MHz
Upper probing signal frequency 3581,5 ... 3607,5 MHz
Transmitters peak/average power in each frequency range in Pulse 18W / 64mW
Transmitters peak/average power in each frequency range in CW 6W / 375mW
Power control range 20 dB from max value, 11 steps.
Transmittance antenna gain of upper range 20 dB, beam angle by -3 dB level - 22o
Transmittance antenna gain of lower range 6 dB, beam angle by -3 dB level - 60o
Receiver antenna gain of upper range not less 24 dB
Receiver antenna gain of lower range not less 8 dB
Receivers sensitivity better than –110 dBm (one LED lights up at the indicator
Receiving path dynamic range 30 dB (20 dB – LED indicator range, 10 dB –
attenuator range at receivers input adjusting by ATT button).
Time of continuous operation with a Li-Ion battery at the max power:  
- in pulse mode at least 2.5 h
- in CW mode at least 1.5 h
Weight of the device 1 kg
Full set weight in a bag 4.5 kg
Device dimensions, cm 31x31x28
Bag dimensions, cm 44x30x35
Operating conditions - ambient temperature +5…+40oC.
- pressure at least 450mm of mercury

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