What antenna is used for ant interface_ There is an interface at the back of the TV that says standard ant 75 Euro input. What does it mean, antenna? Can you connect the closed route "Suggested collec

Hello everyone , I meet you again , I'm your friend, Quan Jun .

Yes ,ANT It means antenna interface ,ANT It's an acronym for .

ANT Antenna input port , Also known as RF interface , It is the interface mode adopted by home cable TV . The principle of RF imaging is to integrate video signals (CVBS) And audio signal mixed coding output , Then after a series of separation / The decoding process , Output imaging on the display device .

The output quality is not very ideal , Because the steps are too complicated , Mixed audio and video coding will interfere with each other . At present, the LCD color TV produced has this interface , When receiving , Just connect the reliability cable of cable TV , You can watch cable TV directly .

Applicable scenarios

The antennas of wireless devices have certain distance limitations , When the distance exceeds this limit , It is necessary to enhance the wireless signal through these external antennas , Achieve the purpose of extending the transmission distance . There are three concepts involved ：

1、 frequency range It refers to the working frequency band of the antenna . This parameter determines which wireless standard wireless device it applies to . such as 802.11a Standard wireless devices require a frequency range of 5GHz Antenna to match , So when you buy an antenna, you must recognize that this parameter corresponds to the corresponding product .

2、 Gain value This parameter represents the antenna power amplification factor , The larger the value, the greater the amplification of the signal , That is, when the gain value is larger , The stronger the signal , The better the transmission quality .

3、 Antenna interface It is mainly aimed at wireless devices that can be disassembled and connected with external antennas , Match the corresponding antenna correctly for different interfaces , Achieve the function of increasing signal and extending distance .

Reference material ： Baidu Encyclopedia － Antenna interface

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