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Based on 2 wire analog video door phone solution, T series video door phone system supports the functions of intercom video, intercom between residences, access control, etc. The solution provides clear and fluent video intercom service and security alarm, which enhances the community security and safety management.
2-wire video door phone consists of following devices:
Part 1: Indoor Station
Part 2: Outdoor Station
Part 3: Power supply

| Dimension (W*H*D) | 220*140*24 mm |
| Working voltage | DC 24-32V |
| Working current | 200 mA Max |
| Idle current | 10 mA Max |
| Resolution | 800*480 |
| TF Card | 2~32G (Class 10 preferred) |


| Dimension (W*H*D) | 363*328*148.5 mm |
| Working voltage | DC 24-32V |
| Working current | Max 400 mA |
| Static Current | Max 90 mA(DV 30V) |
| working temperature | -25~55 |
| Storage temperature | -40~70 |
| Camera type | CMOS |
| View angle | Diagonal 70*50 |
| Focal Length | 2.5mm |
| Fill-in light type | White |
| Mi.lumination | 0.1 lux |
| Adjustable Angle | up/down/left/right 10 |
Features
7inch capacitive touch screen design
Support 2-wire centralized power supply (or independent power supply )
Support CCTV surveillance by built-in interface
Support customized Gui design Name lable revise through 2-wire bus Support IC Card
Easy for GUI amendment
Outdoor Station T-OS01/T-OS03/T-OS04 for Villa
| working voltage | DC 24V~32V |
| Idle current | Max 25 mA |
| Working current | Max 150mA |
| Camera Type | CMOS |
| Camera Pixel | 30W |
| Visual Angle | 90 |
| Fill-in light | White |
| Card Available | IC Card Only |
| Buttons | 1/2/4 |

Part 3-----Power Supply

T series soultion topography

History of GVS from 1999 to 2018
2018: become the first native rotating chairman of KNX China.
2017: GVS officially enter the new OTC Market and become a listed company.
2013: became Council Members of IEEE1888.4—Smart Home Applications Standard Working Group
2012: won “China's Top Ten brands of Smart Home Control”
2011: "2011 Digital Home Competition Innovation Achievement Award"
2011: “China Top Ten Brands Monitoring& Intelligent Lighting of Intelligent Building Brand”
2010: won the "2010 China KNX Application Award"
2008: one of first Chinese companies to join KNX Association and a member of KNX manufacturers
2007: first launched the TFT LCD module in China
2005: won the “Informatisation Application Model in the Electronics Industry”
2004: Global sales of Video Door Phone Display Module ranked No.1
2001: National sales of Display Module ranked No.1
1999: Video-star Group was established.
After 19 years efforts, GVS has established its sales network of distributors, agents over the world. GVS has earned its reputation in the industty by its advanced design, high quality of products and customer-oriented services. Its products are supplying to Europe, America, the Middle East, Southeast Asia, Australia and other places of the world. Besides, GVS has established strategic cooperation with a group of partners from the industries of real estate, video door phone, building construction, etc. It is developing to be an respectable enterprise with international brand reputation.
Main advantages below
1. 19 years concentration in 2-wire and IP VDP solution & manufacture;
2. OEM/ODM service expriences with big brands and projects;
3. Strong production ability: 3 advanced labs, over 100 engineers, factory with TFT/THT/SMT/DIP workship;
4. Integration of IP intercom technology and KNX smart home technology;
5. high quality with competetive price.



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