protect your telephone from listening devices

Size 95×52×20mm

Weight 300g

Function :

● Prevent FM、VHF、UHF wireless transmitters.

● Prevent voice-control recording.

● Prevent extension wiretaps.

● 24 hours automatic scanning of the telephone line.

Prevent FM wiretapping

Prevent VHF UHF and any high-tech monitoring devices

Easy to install and use telephone line conditioners for personal privacy