
WallHound-Pro
Fixed wall unit that detects cell phones, Wi-Fi, Bluetooth and BLE devices, including trackers such as AirTags, in secure areas, and deters their use with coloured flashing lights and audible alerts.
All BVS products sold by Sér Tækni ehf.

Fixed wall unit that detects cell phones, Wi-Fi, Bluetooth and BLE devices, including trackers such as AirTags, in secure areas, and deters their use with coloured flashing lights and audible alerts.

Direction finding antenna kit for WallHound-Pro: two 2.4/5 GHz antennas and one wideband antenna.


Optional direction finding antenna kit for WatchHound-Pro: one 2.4/5 GHz antenna and one wideband antenna.

Handheld receiver for covert detection of contraband cell phones, with a colour touchscreen and vibrating alerts.

Wideband directional antenna with handle and cable, for one-handed use with Yorkie.

Search and rescue kit: Yorkie with a multi-band direction finding antenna for locating the cell phones of missing persons.

Pocket-sized passive detector for covert detection of cell phones, with vibrating alerts.

Pocket-sized handheld receiver for covert detection of cell phones, with a colour touchscreen and vibrating alerts.

Ferromagnetic hand wand that finds hidden cell phones and other electronic devices, even when they are switched off.

Handheld wireless intrusion detection system for cellular, Wi-Fi, Bluetooth and BLE.

Handheld analyser that detects, analyses and locates hidden or unauthorised Wi-Fi clients and access points on 2.4, 5.8 and 6 GHz.

Cellular direction finding receiver for locating cell phones in prisons, police and government facilities, secure rooms and at borders.


Tester that detects malicious USB and Lightning cables, for example cables with hidden keyloggers or hotspots.

Test kit for WireBadger: three good USB cables in a green pouch and three malicious USB cables in a red pouch.

Ferromagnetic screening pole that detects cell phones, tablets, smartwatches and weapons such as knives and guns on people walking past, even when devices are switched off.

Two-pole ferromagnetic walk-through portal that detects cell phones, tablets, smartwatches and weapons, even when devices are switched off.

Foldable SentryHound-Pro screening pole, supplied in a Pelican transport case with wheels.

Foldable two-pole SentryHound-Pro walk-through portal.

Ferrous weapons detection portal for events, schools and courtrooms.

Direction finding locator for Bluetooth and BLE devices such as card skimmers, beacons and trackers.

Pocket-sized detector for Bluetooth trackers such as Apple AirTag, Samsung SmartTag and Tile.



Skim Scan and Skim Swipe with holsters and a Pelican case with soft foam.

Training device for practising the detection of card skimmers.

Fixed detector that detects cell phone use by operators in train cabs and heavy machinery.

Fixed detector, powered over Ethernet (PoE), that detects cell phone use by operators in train cabs and heavy machinery.

Backlit LED sign with the text NO WIRELESS DEVICES ALLOWED.

Backlit LED sign with the text SILENCE, TURN OFF YOUR CELL PHONE.

Backlit LED sign with the text NOT IN MY COURTROOM.

Rubber floor mat with the text NO WIRELESS DEVICES BEYOND THIS POINT.