Counter-Surveillance Guide: Understanding Non-Linear Junction Detectors Key Points Table 1. Introduction to Non-Linear Junction Detectors 2. How Does an NLJD Work? (The Working Principle) 3. What Are NLJDs Used For? (Key Applications) 4. Key Features and Specifications of Non-Linear Junction Detectors 5. How to Choose the Right NLJD (& [...]
Secure, Fast, and Reliable: The Wide Application of USB Fingerprint Scanners In an era where digital security is paramount, fingerprint scanners have emerged as a pivotal technology in safeguarding personal and organizational data. These devices utilize the unique patterns found in human fingerprints to authenticate individuals, offering a level of [...]
Understanding (TSCM) Counter Surveillance Equipment: What Works Best for Your Needs? TSCM stands for Technical Surveillance Counter Measures, commonly known as bug-sweeping, are security measures aimed at detecting and neutralizing surveillance devices, including eavesdropping devices and unauthorized data interceptors such as RF transmitters, hidden cameras, data transmitters, GPS [...]
How to prevent eavesdropping in Conference Room? When conducting anti-bugging detection, companies should prioritize the boss's office and the conference room. The office is a clear target since leaders handle sensitive information and make confidential calls there daily. However, the conference room poses an even greater risk of eavesdropping. [...]
Working Principle of Signal Jammer There are 2 typical working principle of signal jammer. They are: 1. High-power Suppression Common jammers block mobile phone signals by transmitting interference signals. By transmitting certain frequency’s high-power signal, the surrounding electromagnetic environment is severely damaged, and the mobile phone cannot normally obtain and analyze the signal from [...]
AJB-331 Introduction: Recording Jammer Phone Box for Home & Office In an era where privacy concerns are paramount, the AJB-331 emerges as the cutting-edge solution for protecting your conversations from unwanted recording or eavesdropping at home or office. Designed to provide a secure environment for your smartphone, here's everything [...]
Best Audio Jammer Solution from iSecus Ultrasonic Mixing Jamming Technology Introduction Based on CPLD/FPGA Chip embedded with encrypted algorithm, it generates ultrasonic mixing data model and exports ultrasonic signals, forming a harmonic effect to deceive the recording device. The microphone/pick-up can only receive the harmonic ultrasonic signal [...]
iSecus Advanced Cellphone Audio Jammer Box Prevents Eavasdropping AJB-336 We are thrilled to present to you our pioneering product, the Professional Ultrasonic Cellphone Audio Jammer Box AJB-336 from iSecus. This powerful device employs sophiscated Ultrasonic Mixing Technology to provide a sound shield against unwanted audio recording and [...]
Application Scenarios of Portable Drone Jammer Gun Portable Drone Jammer Guns have become increasingly popular in recent years, thanks to their ability to provide effective protection against unwanted drones. These devices use radio frequency signals to disrupt the communication between a drone and its controller, rendering it useless. In [...]
NLJD stands for Non-Linear Junction Detector, a equipment that can detect hidden electronic devices by radiating them with high-frequency RF energy and receiving the harmonic signals they produce. There are 2 types of frequecy applied in NLJD equipment, 2.4G and 900Mhz. 2.4G is the main frequecy that most NLJD [...]