What is the use of mobile phones to watch TV without network and traffic?

Watching TV as a child is a kind of extravagant hope. Television has grown from scratch, from black and white to color, from bulk to tablet, and from non-intelligent networks to modern smart TVs. At that time, anyone could think of a mobile phone that was only used for receiving and calling. Nowadays, mobile phones can also watch TV, and they are free of traffic-free internet access to watch TV programs anytime, anywhere. Whether we are traveling or traveling on business, we are On the road to help us to spend boring time rely on it.


Product out of the box

This product is Aiwa mobile TV receiver, dedicated to receiving DTMB television transmission signal (China's digital terrestrial multimedia broadcasting system DTMB standard officially became the fourth digital television international standards after the United States, Europe, Japan), size only For a one-dollar coin, you can carry it in your pocket or purse. When you want to watch it, you can easily watch TV programs.


Aiwa TV companion model is ITV720, hard paper color box packaging box, upper and lower cover design, the middle side of the cover is provided with a semi-circular recess to facilitate the two fingers to buckle the lower cover and open the box.


The bottom of the bottom cover of the box is printed with the basic characteristics of the product, the mobile phone APP code, the usage method, and some basic information of the manufacturer.

Aihua's sub-brand Aihua TV focuses on product development in the TV field. There are a number of TV peripheral products available. I once discussed with the Aihua person in charge that if they are applied to a car, passengers can watch TV on a dull journey. Programs, such as flat-panel DTMB television signal receiver chips, or simply use this mobile TV receiver directly, use our discarded tablet devices on the car, enjoy the convenient services that Aiwa TV brings to users, and there will be a great market. .

The mobile TV receiver model that receives DTMB signals is the ITV720. It supports live TV viewing anytime, anywhere, and no internet traffic is required. However, the current New product is only applicable to Android system phones or tablets with OTG function.

This mobile TV receiver is defined as a mobile TV companion. While supporting an Android mobile phone or tablet, it also supports the installation of an Android smart TV or a box for the APP. However, it requires an optional adapter. To be honest, it is of little significance to use it for TV programs on TV. After all, this TV receiver is the main player.


Open the cover and take a look at the true capacity of the Aiwa mobile TV receiver. The small and delicate Aiwa mobile TV receiver is firmly fixed in the buffer KT board inside the box and has a black cloth with a humanized Article, easy to remove Aiwa TV sticks.

Aiwa DTMB Mobile TV Receiver Stick is really small, about 35mm long, about 25mm wide (including head width of about 33mm), about 7mm thick, using Micro USB standard connector, if you encounter the Type-C interface, you need to match the adapter When purchasing, we must pay attention to distinguish the male and female heads.


Aiwa DTMB mobile TV receiver rod tail MINI coaxial cable antenna feeder, copper shield effectively prevent external signal interference, improve signal transmission quality.


With the small antenna provided by the TV stick, the joint is made of a copper coaxial male connector. The copper shield is open and flexible. When inserted into the female end of the TV stick, a clear buzzing sound can be heard to indicate successful docking. When inserting the antenna, attention must be paid to aligning and inserting to prevent the male antenna core from being plugged in due to improper force or direction.




In addition, this mobile TV stick also provides a long antenna, about 150mm long, and it reminds me of an external omnidirectional antenna connected to the router. Although I do not know the internal structure of this long antenna, from the perspective of the same omnidirectional Similar to the antenna, this antenna is connected to the base via a copper screw, which makes it easier to replace other antenna rods to improve the signal quality and expand the search strength of the signal. The antenna base has strong magnetic properties, which facilitates adsorption and fixation and prevents the antenna from falling from high places.


The antenna must be aligned with the direction of the antenna to prevent damage to the male copper core.


After the antenna is installed, open the DTMB software and insert the Aiwa DTMB mobile TV receiver. Since the male of the mobile TV receiver adopts the Micro USB standard connector, other different data line interfaces need to purchase the corresponding interface converter to use the love. China DTMB mobile TV receiver.


By scanning the QR code of the mobile phone APP at the bottom of the box, you can directly access it with one click and download it easily. You do not need to bother to download and search online. After the software is installed and open, the screen will pop up and connect the antenna to the device prompt. After inserting the TV receiver, the Android system automatically detects the hardware and pops up a prompt box (select an application for the USB device), providing two options: 1. Wireless Internet card; 2, DTMB connection, select DTMB to enter APP software.

At the beginning of use, the APP software provides a setup wizard. Simply click on the next step to easily complete the search for the TV channel.


After an actual search, the small antennas searched for 6 stations, and the large antenna searched for 14 stations. The entire search process lasted about 1 minute.


Do not look at the screen on the right side of the channel are all with a lock icon, but can watch, search channels, successful viewing efficiency reaches 100%, TV signal is stronger than the indoor in the outdoor, in the high compared to the low, so that if the search The TV signal is weak, it is recommended to search for TV signals outdoors or high. However, due to sheltering of buildings such as houses or buildings, antenna signals are relatively weak.


The author's location is the second-floor unit building in the community. The signal is relatively weak, but the signals can be found in 14 stations through the long antenna. When the TV signal is played, the phenomenon of Caton or Huaping occasionally occurs. The author will When the antenna is near the window sill or gets outdoors, the above phenomenon disappears and the screen plays clearly and smoothly. Therefore, the playback effect of this television stick is restricted by the surrounding building environment.

Mobile APP


The Aiwa mobile TV receiver stick APP is only applicable to Android systems and requires an Android phone or tablet to support the OTG mode. These two points enable the mobile phone or tablet to watch TV programs through the APP software. To enter the APP software, you first need to scan the surrounding TV signals. The entire scanning process lasts about 1 minute. It is recommended that you scan near the window sill or outdoors so that it is easier to search for TV signals.


The 14 television stations that were searched by long antennas included 12 CCTV stations and 2 TV stations at the county level. They did not search for provincial stations. After communicating with netizens, the number of TV stations released by local broadcasting and TV departments was different, and the number of station stations was different. At present, DTMB signal transmission does not have a unified release standard in the country. Therefore, users need to feel and experience themselves. The author's personal experience is only for reference and reference.



Aiwa mobile TV receiver stick APP playback interface supports two formats of screen size: full screen / original, support for video (recorded favorite movies, TV shows), while supporting simple playback settings, including audio and subtitle settings, screen orientation Swipe left/right to switch channels, slide up/down to increase or decrease volume.


If you want to swipe left/right to switch channels slowly, it doesn't matter. There is a shortcut button in the middle of the right side of the screen. Click to display all the channels. You can see which direct point you want and quickly reach the desired TV channel.


If this happens, it means that the antenna is not properly installed, the antenna cannot search for the TV signal of the corresponding channel, or the antenna is damaged.


Aiwa TV's APP software records the video interface. The operation is relatively simple. Just like the video recording operation of the mobile phone, click to start recording, and then click to end the recording. However, the breakpoint recording is not supported.


Play the recorded video, support pause, full screen / original, simple settings, support for left and right screen switch, support up and down the screen to increase or decrease the volume, the operation is very simple, easy to use, even the elderly can easily control the elderly.

Product summary

Aiwa Mobile TV Receiver's compact product does not occupy the weight and is easy to carry; 2 antennae are randomly presented to expand the user's choice range; the standard Micro USB interface is suitable for many Android phones or tablets with OTG function; Watch programs anytime, anywhere; support video, favorite TV programs want to record; support EPG instant on-demand (requires local radio and television to open); fool-type automatic search station, to provide users with one-stop service.

Recommendation: watch television programs for a long time, the TV stick is prone to hot, it is recommended to optimize the chip program, reduce heat, improve cooling effect; whether it is the antenna or the male rod of the TV stick are exposed, easy to damage the connector when carrying, it is recommended to add Connector cover.

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