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• ACCESS CONTROL
  • Access Controllers & Kits
    • ELSEMA
    • HIKVISION
    • NIDAC
    • SCHLAGE
    • SUPREMA
  • Biometric Devices
    • BOSCH
    • HIKVISION
    • SEBURY
    • SUPREMA
  • Card Accessories
    • NETDIGITAL
  • Cards & Fobs
    • AIRKEY
    • BOSCH
    • HID
    • KERI
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    • SEBURY
    • SUPREMA
    • ULTRA ACCESS
  • Electric Strikes
    • ALLEGION
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    • LOCKWOOD
    • LOX
    • NETDIGITAL
    • PADDE
  • Electromagnetic Locks
    • LOX
    • PADDE
  • Electromechanical Locks
    • LOCKWOOD
    • LOX
    • PADDE
  • Exit Switches & Devices
    • GEM
    • NETDIGITAL
    • SEBURY
    • SECOR
  • Readers & Code Pads
    • AIPHONE
    • BOSCH
    • HID
    • HIKVISION
    • KERI
    • NEDAP
    • NIDAC
    • SEBURY
    • SECOR
    • SUPREMA
• AUDIO/VISUAL/PRO AUDIO
  • AV - PA Misc & Spares
    • REDBACK
  • HDMI/DVI/VGA Devices & Cables
    • ATEN
    • XTENDR
  • Monitor Brackets & Mounts
    • ULTRA SURVEILLANCE
  • PA Microphones & Amplifiers
    • CMX AUDIO
  • PA Speakers
    • CMX AUDIO
• CCTV SURVEILLANCE
  • Analogue/AHD Cameras
    • HIKVISION
    • HILOOK
  • Baluns & Converters
    • EQL TELECONNECT
    • XTENDR
  • CCTV Kits
    • HIKVISION 6MP
    • HILOOK
  • Controllers & Processors
    • HIKVISION
  • DVR/NVR Recorders
    • HIKVISION
    • HILOOK
  • HD-IP Cameras
    • HIKVISION
    • HIKVISION 4MP
    • HIKVISION 6MP
    • HIKVISION 8MP
    • HILOOK
    • NEDAP
    • ULTRA SURVEILLANCE
  • Housings Brackets & Mountings
    • HIKVISION
  • Monitors
    • HIKVISION
    • HILOOK
    • ULTRA SURVEILLANCE
  • Thermal Cameras
    • HIKVISION
    • HIKVISION 4MP
  • Video Amplifiers & Distributors
    • NETDIGITAL
    • XTENDR
• FOGGING SYSTEMS
  • S - Intruder Detectors
    • UR FOG
• INTERCOM
  • Apartment Intercom
    • AIPHONE
    • HIKVISION
  • Audio Intercom
    • AIPHONE
    • ARISTEL
  • Commercial & IP Intercom
    • AIPHONE
    • HIKVISION
  • Intercom Kits
    • AIPHONE
    • HIKVISION
  • Misc & Spares
    • AIPHONE
  • Video Intercom
    • AIPHONE
    • BOUJEE BOXES
    • HIKVISION
• NETWORKING/COMPUTERS
  • Computers & Accessories
    • LOGITECH
    • TP LINK
    • WESTERN DIGITAL
  • Fibre Transmission
    • GARLAND
    • PLANET
    • XTENDR
  • KVM Devices & Cables
    • XTENDR
  • Modems & Routers
    • TP LINK
    • TYCON POWER
  • Network Converters & Injectors
    • EQL TELECONNECT
    • MOXA
    • PLANET
    • TP LINK
  • Network Switches (Non POE)
    • HIKVISION
    • PLANET
    • TP LINK
  • Network Switches (POE)
    • HIKVISION
    • HILOOK
    • PLANET
    • TP LINK
    • UBIQUITI
  • Patch Panels & Leads
    • 4CABLING
    • GARLAND
    • NETDIGITAL
    • PRO.2
    • XTENDR
  • Rack Cabinets
    • GLOBAL RACKS
    • PSS DISTRIBUTORS
  • USB Devices & Cables
    • XTENDR
  • Wireless Networking
    • TP LINK
    • UBIQUITI
• SECURITY EQUIPMENT
  • Alarm Communicators
    • BOSCH
    • PERMACONN
  • Alarm Kits
    • BOSCH 2000 - HARDWIRED
    • BOSCH 3000 - HARDWIRED
    • BOSCH 3000 - WIRELESS
    • BOSCH 6000 - HARDWIRED
    • BOSCH 6000 - WIRELESS
    • BOSCH 6000 IP - HARDWIRED
    • BOSCH 6000 IP - WIRELESS
  • Control Panels & Modules
    • BOSCH
    • BOSCH 6000 - HARDWIRED
    • DIGIFLEX
    • SORHEA
  • Fire Detectors
    • SYSTEM SENSOR
    • ULTRA DETECTION
  • Intruder Detectors
    • ARITECH
    • BOSCH
    • ELSEMA
    • GJD
    • HIKVISION
    • NETDIGITAL
    • SORHEA
    • TAKEX
    • ULTRA DETECTION
  • Keypads
    • BOSCH
    • DIGIFLEX
    • EIGHT
  • Misc & Spares
    • BOSCH
    • HONEYWELL
    • NETDIGITAL
    • NIDAC
    • PSS DISTRIBUTORS
    • SECOR
    • SENTROL
    • SORHEA
    • TAKEX
  • Reed Switches
    • BOSCH
    • SECOR
    • SENTROL
    • TAG
  • RF Equipment
    • AIRKEY
    • BOSCH
    • ELSEMA
    • NETDIGITAL
    • SECOR
    • SORHEA
  • Siren Kits, Strobes & Sounders
    • NETDIGITAL
    • QLIGHT
    • SECOR
    • TAG
• TRADE CONVENIENCE PRODUCTS
  • 240 Volt Accessories
    • CABAC
    • CLIPSAL
    • DATAMASTER
    • NETDIGITAL
  • Batteries Alkaline
    • DURACELL
  • Batteries Lead Acid
    • AUSCELL
    • NETDIGITAL
  • Batteries Lithium
    • ENERGIZER
    • HIKVISION
    • PANASONIC
    • TAKEX
  • Cable
    • AIPHONE
    • GARLAND
    • HIKVISION
    • OLEX
  • Enclosures
    • ALLBRO
    • ELSEMA
    • NETDIGITAL
    • PSS DISTRIBUTORS
  • Fixings Fasteners & Tapes
    • CABAC
    • NETDIGITAL
    • PROLOK
    • SLEGERS
    • UTILUX
  • Leads Plugs & Connectors
    • CABAC
    • DATAMASTER
    • LOCKWOOD
    • NETDIGITAL
    • POWERMASTER
    • TAG
    • TELEMASTER
    • VANGUARD
    • WAGO
    • XTENDR
  • Misc & Spares
    • CORRYPLATE
    • NETDIGITAL
  • Power Supplies & UPS
    • NETDIGITAL
    • POWERMASTER
    • PSS DISTRIBUTORS
    • REDBACK
    • ROSSLARE
  • Switches
    • NETDIGITAL
  • Timers & Relays
    • BOSCH
    • NETDIGITAL
    • NIDAC
    • PSS DISTRIBUTORS
  • Tools - Hand
    • ARROW
    • CABAC
    • CRESCENT
    • DATAMASTER
    • IRWIN
    • JAKEMY
    • KLEIN TOOLS
    • LENOX
    • NETDIGITAL
    • PROSKIT
    • RAMSET
    • SLEGERS
    • UNILITE
    • VETO PRO PAC
    • WELLER

AIPHONE, GT Series, Audio bus expander, Supports maximum 16 door stations, 500 apartments