AHD series
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TYD-971 Korean gray metal large conch
  • TYD-971 Korean gray metal large conch
  • TYD-971 Korean gray metal large conch
TYD-971 Korean gray metal large conch
①Advanced bright color separation, signal filtering, 3D noise reduction technology, higher image clarity, better image restoration
②Using common 75-3 line for coaxial transmission up to 500 meters
③The front-end data is not encoded and compressed to the back-end, full real-time, high-fidelity
④ Compatible with ordinary D1/960H, compatible with analog peripheral equipment (including distributor, matrix, etc.)
⑤Support OSD menu design
⑥Common analog price, high-definition quality HD products
⑦Integrated AHD front-end DSP chip
⑧Third-party open standards, compatible with other manufacturers’ AHD products
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Product Details
Structure size 
The structure size is shown in the figure below, the unit is millimeters, the error is ±0.6mm, the outer diameter of the product base is φ93.00mm, and the total height is 69.00mm (as shown in the figure below). 



Product parameter
1 Product number TYD-971C42
2 shell material metal shell
3 Exterior color Han Hui
4 Imaging device AHD 720P
5 Signal System PAL
6 Effective Pixels PAL:1280(H)×720(V)
7 Synchronization system Internal synchronization
8 Horizontal resolution 720P
9 Minimum illumination 0 LUX{infrared start}
10 Video output 1.0vp-p, 75Ω
11 Gamma coefficient 0.45
12 Signal-to-noise ratio Greater than 48dB
13 White balance 自动/Auto
14 Electronic shutter 1/60-1/100000(秒)
15 BLC Auto
16 Current 240mA±10% (infrared start), 60mA±10% (infrared not start)
17 Voltage DC 12V±10%
18 Operating temperature -20℃~75℃
19 Relative ambient temperature Humidity is between 30% and 85%
20 Camera angle 2.8mm/110°
21 Connection connector Standard 4-core aviation head (customizable)
22 microphone Tape recording
23 Camera weight 300g

Standard configuration

Serial number name quantity Unit Remark
1 Big Conch Camera 1 Only Standard
2 Self-tapping screws 3 Pieces Standard
3 Hexagon socket screws 6 Pieces Standard
4 Allen wrench 1 Bundle Standard

Connector description


1 VCC-12V power supply
2 GND-ground
3 Audio signal (optional)
4 Video signal
Contact Us

Shenzhen Tianyude Technology Co., Ltd.

Address: Room 301, Building F, Zhugu, Creative Park, Yintian 331, Xixiang, Baoan District, Shenzhen

Technical support: Mr. Lei 15019453604

Phone: 0755-29470519

Fax: 0755-29185700
Key Customer Hotline
Manager Deng
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