Uhf Tv Antenna

2 year ago

11 0 

8 year

Product details

Indoor TV antenna is like a "receiving station" for terrestrial signals, which directly captures high-frequency electromagnetic waves (such as digital broadcast signals of CCTV and Satellite TV) emitted by TV stations, and decodes them directly through feeders without satellite transfer. It is measured that the Film TV Antenna with a gain of 30dBi can stably receive 28 high-definition channels, including CCTV 4K Ultra-high-definition TV and provincial satellite TV, and bid farewell to the installation restrictions of satellite cookers completely.

Electromagnetic interference in space is like "noise pollution", and a high-quality antenna is like a precise "signal purifier": ① lock a specific channel (such as locking the 498MHz band of Hunan Satellite TV) through a band-pass filter; ② suppress the three major interference sources, such as ionospheric reflection, household appliance radiation and glass curtain wall reflection; and ③ control the ghost rate below 3% through a built-in low-noise amplifier. The comparative test shows that in the complex environment near the shopping mall, the common TV Antenna With Megnetic Base picture has frequent snowflake noise, and the professional TV Antenna Outdoor can still present 1080P smooth image quality.

In the suburbs or mountainous areas, when the signal is so weak that the common Indoor Antenna "strikes", the high-gain antenna is like a "signal magnifying glass"-a gain of ——30dBi is equivalent to improving the receiving capacity by 100 times, and the coverage radius is 3 kilometers longer than that of the common antenna. The actual measurement of a popular Amazon model shows that in a mountain village 30 kilometers away from the launch tower, it can receive 22 channels with a signal amplifier, while the ordinary antenna can only receive 5 fuzzy logos, which really solves the problem of "difficult to watch TV" in remote areas.

1. How to install high-rise buildings?

It is recommended to attach it to the non-bearing wall near the window (avoiding reinforced concrete). The glass material should be single-layer glass, and the three-layer insulating glass will attenuate the signal by 20%.

2. Do suburban areas need to be equipped with signal amplifiers?

It is recommended to install an amplifier (to be purchased separately) when it is more than 25 kilometers away from the TV station. Case study: After the 30km mountain village is equipped with an amplifier, the number of channels is increased from 5 to 22, and the picture quality is upgraded from standard definition to high definition.

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Yetnorson Antenna Co., Ltd.

Audited supplier

8 year

Main Product: TV Antenna, GPS Antenna, GSM Antenna, 4G Antenna, Wifi Antenna, RF Cable

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