COMMAX was established on April 1st, 1968 as ‘JoongAng Electronics Co.’ when Korea’s electronics industry was still very much in its infancy. From the beginning, it set its sights high and targeted the world’s leading companies and exploited international markets to become the first Korean door-phone exporter. Soon COMMAX became one of the leading export enterprises in South Korea, advancing to more than 100 countries, including countries in Asia, Europe and the Americas. CDVI (UK) are proud to have been appointed sole UK Distributor in 2003 and have sold thousands of these innovative systems to-date.
This system utilizes simple 2 wire technology to connect the entrance camera to the monitor. The video monitor has lock release and camera view buttons..JPG)
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The camera is
powered down the 2 wires from the monitor. There are two monochrome monitors available with and without a handset. The door camera is available in an aluminum finish and vandal resistant stainless steel. All cameras feature low light subject illumination. Distance between monitor and camera can be up to 50 metres and a lock release volt-free-pair exist at the door station. The stainless steel panel can have a keypad and/or proximity reader built in.
4 Wire Colour Low Cost Video Door Entry
CDV-50P is designed and developed for worldwide customers at
competitive prices with the best quality and performance. Born 
from COMMAX technology and design research , CDV-50P
becomes the new benchmark forthe most innovative concepts in the colour video door phone market.
Features
Able to use up to 2 cameras
5” TFT LCD color monitor
Door Answering & Monitoring / Door Release
Extendable video door phone & interphone
Surface mount type
Easy installation 4 wires
Specifications
Wire : 4 wires
Power : AC 110 ~ 230V50/60HzMonitor : 5" TFT LCD
Distance : Door Camera50m(0.65 )
Inter phone 20m(0.65 )
Dimension (mm) : 259 X 126 X 43
Metal Door Phone
WDP-180 Wireless DEC Audio Entry Phone
P-Series 4 Wire Video Door Entry 2 Entrance
This system utilizes simple 4 wire technology to connect the entrance camera to the monitors. You may connect up to 4 monitors per dwelling 
called from the one button. 
The video monitor has a lock release and camera view buttons. The system will support two entrances with up to 4 monitors per apartment in monochrome technology. Colour is also available but with reduced functionallity. The camera or cameras are powered down the 4 wires form the monitor. 
The door camera is available in an aluminum finish, rugged cast alloy and vandal resistant stainless steel. All door cameras feature low light subject illumination. Distance between the monitor and door camera can be up to 75 metres and a lock release volt-free-pair exist at the door station. The stainless steel panel can have a keypad and/or proximity reader built in. Up to 8 apartments can be accomodated.
Digital 6 Wire Multi-way System
The digital 6 wire system from Commax offers a simple 6-wire common bus installation whilst maintaining powerful function with digital
or functional apartment selection. The system utilizes addressable floor decoders with up to 4 apartments per floor decoder. A maximum of up to 64 apartments can be accommodated. Each apartment can have 4 apartment monitors in either monochrome or colour. Each apartment building can have up to 3 entrance locations and all apartment buildings can be controlled from a single main entrance to the complex. The visitor can select the desired apartment from simple named functional buttons or a digital LCD address book at the entrance door camera unit. You can also mix functional style buttons with digital selection. The 6 wire Muti-way system can also be utilised for audio handset only applications.
