Cayman ST-401(403) Non-Linear Junction Detector

Non-linear Junction Detector Cayman ST-401 (403) 

A non-linear junction detector (NLJD) is a sophisticated device for detecting and localising electronic components hidden within various objects or structures. Its primary function is to identify the presence of semiconductors, transistors, diodes, and other electronic components that might be concealed for covert surveillance, security, or illicit purposes.
The operating principle of non-linear detector is rooted in the non-linear response exhibited by electronic components when subjected to radio frequency (RF) energy. When RF energy is directed towards an object containing electronic components, such as a hidden microphone, camera, or tracking device, these components generate harmonic frequencies distinct from those present in linear devices or ordinary materials.
NLJDs emit RF signals of varying frequencies and power levels, effectively probing the target area for non-linear responses. When the emitted RF signal encounters hidden electronic components, these components react by producing secondary harmonic signals. The non-linear detector's receiver then detects these harmonics, indicating the presence of electronic devices that might otherwise remain concealed from conventional searches.
These detectors find wide application in security sweeps, counter-surveillance activities, and law enforcement operations. They search for hidden bugs, microphones, cameras, and tracking devices in environments where traditional visual or physical inspections are ineffective. NLJDs are especially valuable in scenarios where privacy breaches or security vulnerabilities are of concern, such as government buildings, corporate boardrooms, sensitive research facilities, and VIP residences.
By employing a non-linear junction detector, security personnel and investigators can efficiently locate concealed electronic devices, enhancing security measures' effectiveness and protecting sensitive information.

The Cayman ST-401 (403) non-linear junction detector is a compact variant derived from the original ST-400 (402) model. The Cayman 401 (403) retains full compatibility with all operational modes in the base ST-400 model. The primary divergence lies in the omission of the telescopic bar. This streamlined design proves advantageous for tasks carried out in confined spaces, such as inspecting small cargo, mail, and even individuals. The ST-401 (403) notably excels at detecting and precisely locating operational and deactivated devices. With this non-linear junction detector, operators gain the ability to differentiate between natural semiconductors and artificial substances (such as metal, corrosion, and metal-oxide-metal structures).

Application:

• Trusted by Prominent Security Firms and Government Entities
• Detects Various Bugs, Spy Cameras, and Listening Devices
• Identifies Wireless Electronic Gadgets
• Finds Mobile Phones and SIM-Cards
• Locates GPS Trackers Detects Wireless and Offline Voice Recorders
• Spots Deactivated Electronic Devices
• Identifies Unauthorized Electronics
• Enhances Contraband and Hazardous Parcel Screening
• Applicable to Household Items, Furnishings, Walls, and More
• Ideal for Hotel Rooms, Office Security, and Confidential Gatherings

Features:

• Exclusively Designed for Comprehensive Bug Detection
• Uniquely Capable of Identifying Concealed Voice Recorders
• Balances High Detection Sensitivity with Low Output Power
• Efficiently Counters Interference for Reliable Performance
• Ergonomic Build
• Intuitive Hand-Held Navigation
• Minimized False Alert Potential
• Enhanced Insights through Audio Signal Analysis
• Utilizes Standard Rechargeable Batteries - Offers 4 Hours of Continuous Operation (Extendable to 8 Hours with Supplementary Batteries)
• Complete System Protection with Inclusive Shock-Proof Case

Specification:

• Frequency Range: 2-3GHz
• Maximum Peak Power: Less than 2W
• Antenna: Elliptic
• Operation Modes: "Search", "Audio", "Adaptation
• Sensitivity Adjustment Range(Manual): 40dB (5 Steps of 8dB per adjustment)
• Visual Indication: Three 16 LED Bars
• Audible Indication: Built-in Speaker, and Headphones
• Power Supply: Two Lithium ION Rechargeable Batteries (18650mAH) 3,7V
• Battery-Life: 3-4 Hours (Full Charge - Depending on Operation Mode)
• Charge Time: ~3 Hours
• Dimensions (portable): 300mm x 250mm x 130mm (L*W*H)
• Weight of the Detector: 1.3kg

Packaging:

• 1 x Cayman ST-401 Detector
• 4 x Lithium ION Rechargeable Batteries 18650mAh
• 1 x Charging Unit
• 1 x Charger Cable
• 1 x Headphones
• 2 x Test Targets
• 1 x User Manual / User Guide
• 1 x Transportation Shock-proof Case