Portable Non-Linear Junction Detector (NLJD)
Portable Non-Linear Junction Detector (NLJD) combines extended reach with powerful detection, making it ideal for scanning inaccessible areas for hidden electronics.
Key Features:
✔️ Detects active, passive, and powered-off electronics
✔️ Adjustable extension pole (30 cm to 140 cm) for hard-to-reach areas
✔️ Lockable head angle with 5 positions over 90°
✔️ Operates at 2.4 GHz transmit power up to 4 W
✔️ Dual harmonic receivers at 4.8 GHz and 7.2 GHz
✔️ Identifies detected material – ‘Silicon’ or ‘Metal’
✔️ Finds nano SIM cards and miniature circuits up to 20 cm
✔️ Lightweight under 900 g with rugged aluminium enclosure
✔️ Battery life up to 4.5 hours with compact military case
Portable Non-Linear Junction Detector (NLJD)
The Portable Non-Linear Junction Detector (NLJD) transmits at 2.4 GHz with up to 4 W output and receives harmonic returns at 4.8 GHz and 7.2 GHz. It detects electronics of all types, including active, passive, and even switched-off devices. In addition, its extension pole adjusts from 30 cm to 140 cm, giving operators reach into hidden or elevated spaces. The antenna head locks into five positions over 90 degrees, allowing scans at different angles.
This detector weighs less than 900 g yet matches the capability of much larger portable systems. Moreover, it displays whether detected material is “Silicon” or “Metal,” reducing false alerts from non-electronic items. Even nano SIM cards can be identified from up to 20 cm away. Operators may listen through internal speakers or earphones, and the audible tone plus demodulation function improves signal analysis. The rugged enclosure combines machined aluminium with a moulded antenna cover, while the unit arrives in a compact military-standard carry case.
In the field, the Portable Non-Linear Junction Detector (NLJD) is used during counter-surveillance sweeps, technical security checks, and base inspections. Military teams deploy it to identify hidden transmitters or recording chips. Furthermore, naval crews use the adjustable pole for tight compartments, and air force units rely on it to secure command posts. Its light build and 4.5-hour battery ensure reliable performance during extended missions.
With dependable supply and service, Tactical Supply Pakistan ensures that defence and security professionals receive equipment ready for operational use. The brand’s support allows operators to focus on mission goals rather than technical concerns.
Why is harmonic detection important in this unit?
Harmonic returns confirm the presence of semiconductor junctions, which helps distinguish real electronics from simple metal objects.
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