System Technology Sweden AB is a provider of products and services such as security card production and personalisation, plastic,telephone answering machines,telephone call counters,telephone call logging equipment,coders and decoders, telephone systems,voice and/or video mail systems,voice recording (logging) systems, digital,voice announcer systems, digital,speech scramblers and telephone privacy equipment,telephone muted call system,global system for mobile communication (gsm) modules,automated attendant systems, telephone,telecommunication terminals,telephone intercommunication equipment, loudspeaker type,telephone plugs and sockets (jack type),wireless communication headsets,telephone booths and room hoods, acoustic,telephone switchgear, selector and accessory equipment,music on hold and digital announcer systems for telephone systems,filters for telecommunications,connection and protection boxes for telephone and telematic transmission equipment,accessories for external telephone lines,mobile telephone (cellular phone) jamming equipment,mobile telephone (cellular phone) detectors,uniselectors, telecommunication,telecommunication multiplexers,discriminators, telecommunication,line communication system line extenders,manual telegraphy equipment, morse and hipp, baudot, hughes,integrated services units (isu),noise suppressors, telecommunications,microwave rotary joints,concentrators, telephone line,audio detectors,ear sets and microphones, hands-free, for mobile telephones (cellular phones),accessories for mobile telephones (cellular phones),frequency changers, telecommunication,detectors for hidden cameras and microphones,control and monitoring equipment for data transmission systems,security and surveillance systems, electromagnetic,security and surveillance systems, electric,security and surveillance systems, electronic,security and surveillance systems, closed circuit television (cctv),security and surveillance systems, still camera,security and surveillance systems, video camera,security and surveillance systems, radio frequency (rf),security and surveillance systems, infrared,security and surveillance systems, microwave,security systems for banks and jewellery shops,security systems, dial-up,security and alarm systems for scaffolding,video unit security cases, wall mounting,alarm systems, computerised, for intruder detection systems,alarms, door and window, battery operated,alarm panels for intruder detection systems,burglar alarm systems, proximity,burglar alarm systems, passive infrared,burglar alarm systems, radar,burglar alarm systems, electronic,burglar alarm systems, electric,control panels, burglar alarm,anti-theft devices, smoke generating, electronic,intruder detection systems, perimeter,intruder detection systems, laser,intruder detection and progress plotting equipment,security installations, fully integrated,home security systems,prisoner-to-warder call systems, prison complexes,remote warning and surveillance systems, centralised,alarm receivers, automatic, for intruder detection systems,alarm thresholds, underground anti-intrusion cables,access control systems, contactless card operated,access control systems, magnetic card,access control systems, chip card,access control systems, digital keypad,access control systems, key activated,access control systems, audio-visual (av),access control systems, door entry, intercom,access control systems, door entry, intercom, wireless,access control systems, biometric,access control systems, infrared,access control systems, electric hinges,offender tagging/monitoring systems and equipment, electronic,biometric identification systems,telephone conversation surveillance (tapping) equipment,control and monitoring systems, security installation,telephone set components and accessories.