These products are sometimes also designated as: blockers, signal shields, isolators, personal privacy devices (PPD). This type of device is specifically designed to cause interference.
Importing, marketing, owning, possessing or using these devices is forbidden in Belgium. Placing them on the EU market is also forbidden.
Speed radar detectors & TETRA detectors
Speed radar detectors and TETRA detectors are also radio signal receivers. Using, owning, possessing, importing, selling or even advertising speed radar detectors or TETRA detectors is forbidden in Belgium.
Radio scanners (receivers)
You can buy and possess a scanner or receiver. However, you can only listen to the frequencies for which you have received the owner’s authorisation or which can be listened to freely.