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Cayman ST 400 Non Linear Junction Detector

  • Cayman ST-400 Non Linear Junction Detector
  • Cayman ST 400 Non Linear Junction Detector
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Call 1-949-791-7904 For the Best Pricing
$100.00 (Fixed shipping cost)


The Cayman ST-400-402 Non Linear Junction Detector has a telescopic end that stretches to 60 inches.


The Cayman will locate all electronic devices, mobile phones, SIM cards, and any other product with a computer chip in it, even if it is turned off.

The idea behind a Non Linear Junction Detector is to find oxides, rust, or corrosion. Man made computer chip is made up of man made oxides in layers so it carries the signal through it. A rusty piece of rebar also has oxides, and will give you a false positive, so these devices tell you which are man made oxides, and which are natural oxides.

Cayman Competitive Advantages:

  • Multifrequency irradiation mode, which provides wide range of advantages in front of detectors designed by the classic scheme:
  • Selectivity (ability to distinguish electronic components with background of metal-oxide-metal structure);
  • Probability of detection electronic devices behind partially shielded surfaces (such as the grid "netting");
  • Optimal ratio of radiation power and detection range;
  • Ability to identify detected objects in Audio mode;
  • High detection sensitivity at a low output power;
  • Ability for effective operation in complicated interference environment (reinforced structures, corrosion, etc.).

This new and improved device offers the following improved features:

  • Modernized antenna, which increase detector selectivity;  
  • Reduced weight and overall dimensions of the device;
  • Simplified system of control and indication;
  • Use of common power supply batteries;
  • More ergonomic design.

Additional features:

  • Original signal processing algorithm enables to reduce false responses  and increase the selectivity as well as reaction speed;
  • Software upgrade via USB;
  • Detector is supplied in shockproof package.


Technical Features:

Height 250 mm
Width 1,500 mm fully extended
Thickness 130 mm
Weight 1.75 kg (with battery)
Case Plastic
Power supply Rechargeable battery
Frequency band 2-3 GHz
Battery life 3-4 hours
Battery charging time up to 3 hours


Technical Characteristics:

Frequency range

2-3 GHz

The maximum radiated peak power

Less than 2W

Antenna polarization


Operating modes

“search”, “audio”, “adaptation”

The range of sensitivity adjustment in manual mode

40 dB (5 steps of 8 dB each)


- visual

three 16 LEDs bars

- audible

built-in speaker, headphones

Power supply

2 Li-ion rechargeable batteries 3,7V (18650 type)

Run time of a fully charged battery

2-3 hours (depending on the operating mode)

Charge time

not more than 3 hours

Operating conditions

- temperature

+5 ... +40 C

- humidity

not more than 85% (at 25 C)

weight with battery

1.75 kg

Dimentions when folded 
(lenght, width, height)

1,500x130x250 mm

Weight of the full set

up to 5.8 kg

Download the Cayman ST-400 Operating Manual

Download the Cayman Non-Linear Junction Detector Catalog

Warranty Information

EyeSpyPro guarantees this product for 90 days from date of purchase. If the manufacturer offers a longer warranty, we will assist you in obtaining repairs under warranty. Contact us for the manufacturers warranty for this product.

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