Professional Non-linear Detector Latest generation detector with perfect ergonomics Unbeaten power potential – 173dB, extended tuning facilities, outstanding noise immunity, in particular to whatever cellular communication signals – all that ensure NR-900EMS high efficiency in any operating conditions. ► easy to use; ► up-to-date ergonomic design; ► high quality reliable units and components. NR-900EMS searches for eavesdropping devices and similar electronic appliances in premises (radio microphones...