Welcome to JJN Digital - Leading UK manufacturers of Professional Counter Surveillance, Mobile Phone Detection and TSCM equipment. 

New Product


Wireless Activity Monitor
Designed for the TSCM Professional

New Product WAM-X10

Multiband Wireless Activity Monitor

5G Cellular, Wideband (0 to 14 GHz) & Wi-Fi detection, all in a compact handheld package.

Which Product?

JJN Digital make a range of models to detect the latest mobile phone, tracking, listening and video technology. See which model best suits your application.

Best of British - Design & Uncompromising Quality

JJN Digital have built a reputation for providing quality products designed, manufactured and tested in the UK to the highest standards with backup to match.


Product Videos

See our products in action with our demonstration videos including the new HSA-Q1 Handheld RF Spectrum Analyser.


Wideband Digital Pocket RF Detector
Designed to detect and locate signals from the very latest covert listening, tracking, cellular and video devices.


Electronic Device Detector EDD-24T
Detects all types of electronics - whether active, passive or even switched off.


5G Ready Mobile Phone & Tracker Detector with 2.4 & 5GHz WiFi & Bluetooth Detection and Worldwide Coverage


JJN Digital are leading UK manufacturers of Professional Counter Surveillance (TSCM) and Mobile Phone Detection Equipment.

We are an innovative dynamic company, with a reputation for designing highly effective detection equipment with a user friendly, customer focused approach. Our products are researched, designed and built in the UK from start to finish to the highest specification and are used by countermeasures professionals worldwide. Our clients include government, prisons, police, businesses, and professional sweep teams.

Years of Excellence

JJN Electronics was formed in 1996 by the same management team as today. We are proud to have been serving the industry for the last 27 years. 

Month Guarantee

All products come with a no quibble 12 month manufacturer warranty. We are confident our products will serve you reliably for years to come.

Made in the UK

All JJN Digital products are designed, built, and extensively tested in the UK to the highest standards required by our customers.


Handheld RF Spectrum Analyser

Sweep 0 to 13.4 GHz in just 0.5 seconds


Pocket Bug Detector PRO-SL8 - 0 to 8 GHz detection, unrivalled sensitivity and simple to use.

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