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Q:What are the specifications of the 2-port 4K60Hz product?

Answer: S7212H USB2.0; SH0201C(S7212H_V2.0) USB hot key + USB2.0; S7212H2 dual display, USB2.0; S7219H USB2.0; S7220H USB hot key + USB2.0; S7220H2 dual display, USB hot key +USB2.0;

Q:What are the specifications of the 4-port 4K30Hz product?

S7402H USB Hotkey+USB2.0;S7402H2 Dual Display,USB Hotkey+USB2.0;SH0401B USB Hotkey;S7413H2 Dual Display,USB2.0;

Q:What are the specifications of the 4-port 4K60Hz product?

Answer: S7412H USB2.0;S7412H2 dual display,USB2.0;S7403H(S7412H_V2.0) USB hotkey+USB2.0;S7412H2_V2.0 dual display,USB hotkey+USB2.0;

Q:What are the common video interfaces?

Answer: HDMI, DVI, VGA, DisplayPort


Q:What is a VGA interface?

A: The VGA interface is also known as the D-Sub interface. The VGA interface adopts a 15-pin pin-type structure and adopts an analog protocol, which is the interface used by many old graphics cards, notebooks and projectors.

Q:What is the maximum supported resolution of the VGA interface?

Answer: Due to a series of problems such as wire and signal interference, VGA can generally only reach 1200p resolution when used, and the fonts are easy to be blurred at high resolution. If the signal line is long, the image will be smeared.

Q:What is a DVI interface?

Answer: There are DVI-A, DVI-D and DVI-I on the DVI interface, which can be divided into single channel and dual channel. The DVI-A (DVI-Analog) interface only transmits analog signals. The DVI-D (DVI-Digital) interface is a purely digital interface and is not compatible with analog signals. DVI-I (DVI-Integrated) interface, compatible with both DVI-I and DVI-D plugs, compatible with digital and analog signals. Their connectors are shaped differently and cannot be plugged in if the connectors do not match.

Q:What is the maximum supported resolution of the DVI interface?

Answer: "Single-channel DVI interface: 1920*1200@60Hz Dual-channel DVI interface: 2560*1600@60Hz, 1920*1080@120Hz"

Q:Can products that generally support 4K30Hz resolution support 2560*1440*60Hz or 3840*2160*60Hz YUV4:

Answer: Yes

Q:What is HDCP?

Answer: High-bandwidth digital content protection technology, when users illegally copy, the technology will interfere and reduce the quality of the copied images, so as to protect the content.


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