Acustek

Official website : acustek.com
Address : Unit 13, North Street Business Park, Seatown West, Swords, Co Dublin, K67 R2N3, Ireland
Phone : +353-1-5584076
Fax : +353-1-5614695

Legal status : Irish company.
Clients : Law enforcement agencies (according to their website).
Products : Audio and video surveillance devices. A page on their website describe the audio surveillance devices they market, giving a bit of details but no technical specifications.

Two available documents describe two of the products they market, including technical specifications and pictures :