Simultaneously meeting three conditions can receive the device:
1. The TV is a digital TV (if not, you can buy a terrestrial set-top box to match it)
2. Antenna location: placed on the second floor or above, windows, balconies, rooftops, etc.) Close range with dense high-rise buildings blocking can also affect the signal. In rural areas, it is necessary to place the antenna on the rooftop [do not place it on the first floor or next to the TV]
3. There is a ground wave transmission station locally
How many units are received? The upper limit is determined by the number of open launch stations
Urban and rural areas should not be more than 40 kilometers away from the county seat
The number of units that can be received is related to the number and strength of local base station signal channels, as well as the location and height of antennas, and there are many influencing factors
(Installation location needs to meet the conditions) The installation of the antenna receiver head needs to meet the following requirements: on the roof, window (unobstructed from the second floor or above), or balcony, the installation location should be unobstructed. For rural use, it should be installed at a height above the roof (adjustable indoors and outdoors to find the best position, the signal should be vertical and horizontal, and it needs to be tested vertically or horizontally) in order to receive the signal normally. There should be no electrical appliances around that can generate magnetic fields, which may cause interference.
Necessary installation steps:
1. Insert the antenna into the TV, place the receiver on a balcony or window above the second floor outdoors, and install it on the roof in rural areas (remember not to place it next to the TV or on the first floor).
2. Use the TV remote control to click on “Signal Source” or “Source” and select “Digital TV or DTMB or Ground Digital or Ground Reception, Live TV”. Select “TV” for the smart TV and confirm. (If there is no signal displayed on the screen after selection, continue with the next step)
3. Use the TV remote control to search for channels (click on “Menu” – “Channels” – “Auto Search”)
1) Supports 1080 p high-definition mode
(2) 50 mile range
(3) Coaxial cable: 3.0m length
(4) Connector type: TV head with F adapter.
( 5 ) v.s.w.r. : < = 1.5， Maximum value: 1
(6) Impedance: 75 ohms
(7) Multi directional ability
(8) Can receive all “free” channels
(9) Gain: 25DBI
(10) Conventional antenna board colors are divided into white, black, transparent, and can be customized according to samples and drawings.
(12) Operating frequency: 174-240mhz, 470-862mhz
(13) Product size (mm): 60 * 150mm
(14) Suction cup silicone
(15) Antenna cover color black
(16) Operating temperature: -45~85 ℃
(17). Storage temperature: -45~85 ℃
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