New Product


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

New Product

HSA-Q1 - Handheld RF Spectrum Analyser

Sweep 0 to 13.4 GHz in just 0.5 seconds


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

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.


Multiband Wireless Activity Monitor - Wideband, Cellular & Wifi/Bluetooth detection all in one comprehensive portable package


2G/3G/4G Mobile Phone Detector with Wifi & Bluetooth Detection


Pocket Wideband RF Detector - High Sensitivity 0-10 GHz Bug Detector with memory function


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


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 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 23 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.

Message here d="prevOff">
Exit Preview