Model: DT-820
Non linear Junction Detector
General Configuration:
√ Working Frequency Range: 2.404GHz-2.472GHz
√ Receiving Harmonic Range: Auto
√ Receiving Sensitivity: Less than -140dBm
√ Battery: Li Battery, working over 5 Hours
√ Interactive Interface: LCD, Audio, Vibration
√ Detection Distance: GPS module @ 400-500mm; Mobile Phone @ 180-220mm; SIM Card @ 90-120mm
If you are looking for high-end portable NLJD detector, DT-820 is highly recommended.
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Description:
DT-820 is a miniaturized non linear junction detector working as a professional tscm equipment. It can detect electronic devices hidden in walls, floors, ceilings, lamps, furniture or containers, whether they are transmitting signals or switching on or off, and give alarm by display, sound and vibration. This non linear junction detector can find the target equipment for protecting organizations and individuals Private information.
Technical Principles:
Non linear junction detector emits S-band fundamental wave to the target area or object, and the receiver captures the second and third harmonics generated by the target object. Artificial intelligence algorithm is used to analyze the harmonic law, so as to detect and identify the electronic equipment with non-linear junctions.
Application scenarios:
Non linear junction detector can be widely used in government, public security, prison, justice, army, education examination, business security and personal privacy protection, etc.
Business Safety: Detecting unauthorized electronic devices, such as eavesdroppers, mobile phones and devices with SIM cards, hidden in company board rooms or secret offices;
Public Safety: Detecting electronic devices hidden or prohibited from use in safe areas, such as detonating devices, remote controllers, etc.
Personal Privacy Protection: Hidden cameras and surveillance devices such as recording pens, cameras, etc. in residential buildings and hotels.
Features:
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High Positioning Accuracy: Our non linear junction detector adopts 2.4g radio frequency detection technology with high precision positioning characteristics.
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High Semiconductor Recognition Ability: With built-in spectrum analyzer supporting second and third harmonic detection, it can quickly and effectively identify devices containing semiconductors.
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High Sensitivity: Especially for SIM card devices with high sensitivity, mobile communications devices can be quickly detected.
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Low False Alarm Rate: built-in nondestructive detection algorithm greatly improves the detection capability, and the false alarm rate is very low.
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High Safety and Reliability: meets the requirements of electromagnetic radiation and absolute safety to human body.
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Flexible Operation: Supports automatic transmission power and manual mode selection, easy to operate manually.
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User-friendly interface: support OLED visual graphical interface, vivid display of power emission level and second and third harmonic graphics.
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High performance/price rate: DT-820 non linear junction detector comes with the world most cost-effective, cost-saving and excellent performance.
Specifications:
| Parameter | Technical index |
| Product working frequency band | 2.4GHz |
| frequency range | 2.404 GHz - 2.472 GHz |
| Receiving 2nd~3rd Harmonic Range | 4.808 GHz-4.944 GHz, 7.212 GHz-7.416 GHz |
| Pulse mode transmit power (maximum) | 0~1W |
| Receiving sensitivity | Less than -125dBm |
| Receiving dynamic adjustable range | 50dB |
| Battery Working Time in Maximum Power Pulse Mode | 4.5H |
| Battery type | Replaceable lithium battery |
| Charging time | Fast charging 3H |
| Interactive interface | LCD Display Receiving Harmonic Signal Intensity |
| Audio prompts are supported and headphones can be connected. | |
| Supporting Vibration Tips | |
| Detection distance | >6M, C-class product complying with GA1236-2015 standard |
| Product size | 370mm(L)*96mm(W)*38.5mm(H) ±5mm |
| Protection Case Dimension | 355mm * 295mm *165mm ±10mm |
| Product weight | 0.6kg |
| working temperature | -20℃ to 55℃ |
| Working humidity | Less than 93%, no condensate |
| Product size | 365(L)*110(W)*65mm(H) |
| Outer box size | 580(L)*300(W)*150 mm(H) |
| Product weight | 0.6kg |
| working temperature | -20C ~45 C |
| Working humidity | No more than 85%, no condensate |
If you are looking for compact non linear junction detector with extendable pole, then DT-820Plus is recommended.
A Glance at DT-820 Non linear Junction Detector
DT-820 Non linear Junction Detector (TSCM Equipment)
Technology Introduction of Non linear Junction Detector
DT-820 Comparison with Similiar NLJD Model in the market
| Model | DT-820 | Lornet 24 | EDD-24T |
|---|---|---|---|
| Brand | iSecus | Lornet | JJN Digital |
| Country of Origin | China | Russia | United Kindom |
| Frequency | 2.404GHz – 2.472GHz | 2.406GHz – 2.414GHz | 2G-3G |
| Receiving Sensitivity | ≤-125dBm | ≤-110dBm | ≤-125dBm |
| Power Ouput | 1W (Max.) | 10W | 1W |
| Operating Time(Pulse) | ≥4 Hours | ≥3 Hours | 4.5 Hours |
| Alarm Alert | Screen Alert, Sound, Vibration | Screen Alert, Sound | Screen Alert, Sound |
| Working Environment | -20℃-50℃ | 5℃-40℃ | 0℃-50℃ |
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