What is a zoom camera, 4k zoom camera application

What is a zoom camera? The focal length can be changed within a certain range to obtain different wide and narrow field angles. Ca...

2020-07-13

WIFI gain and principle

WIFI is a passive subject, that is, it does not need to provide power or other energy. It is not a power amplifier, nor does it am...

2020-07-11

Small ways to strengthen WIFI coverage

1. For the WiFi5 standard router, when we connect to the WiFi router, there will be two frequency bands for us to choose, one is 5...

2020-07-11

Come on, boy! 10.71 million college entrance examination candidates usher in life test

Come on, boy! 10.71 million college entrance examination candidates usher in life test

2020-07-07

What is the transmission distance of the wireless camera, how to install the wireless camera and its working principle

Wireless camera is a professional camera product for recording in secret. Normally, we call it a monitor.

2020-07-04

Dragon Boat Festival holiday notice

According to the national statutory holiday regulations and combined with the actual situation of the company, we now make arrange...

2020-06-24

The difference between HTTP protocol/RTSP protocol/RTMP protocol

In theory, both RTSP and RTMPHTTP can be used for live broadcasting and on-demand broadcasting, but generally RTSP RTMP for live b...

2020-06-20

Audio and video codec: YUV444, YUV422, YUV420 understanding in YUV sampling format

Usually we use RGB to represent a color. The data displayed by the LCD in the computer system is RGB to represent the color of eac...

2020-06-13