Currently, security equipments are widely used for the purpose of safety. Signal Jammer is typical security equipment among the market of security products. So many different types are appeared, original from the fixed type, now portable jammers are designed with the dimension of 97mm x 45mm x 19mm (L x W x D), that is portable. However, there are still so many aspects that of the Jammers are not so clear, today let’s solve all the buzzer problems for you in all.

Will jammer interference the other electronic equipment to be in good working condition?

No. Because the electromagnetic signal sent by jammer are totally used in the band that regulated by government and just have interception effect to cell phone communication.

Will jammer have bad effect to human body and cell phone?

You should not worry about it. The intensity of electromagnetic signal sent by jammer is in compliance with the national standard of environmental electromagnetic wave health, the signal sent by jammer is relatively small and no damage will appeared on human body according to the testing files. Meanwhile, this device is just damage the receiving condition to cell phone and makes the normal connection between cell phone and base station impossible. Therefore, no damage will occur on cell phone itself.

Is there any difference of distance between using jammer indoor and outdoor?

Yes. Generally speaking, outdoor signals is bigger than the indoor signal. Thereby, the shielding effect is worse outdoor. Strictly speaking, whether using indoor or outdoor, the effective distance of interception is related to the surrounding environment as the distance between different base stations, positions of installation, etc.

Is the jammer has the same effect to GSM cell phone and CDMA cell phone?

The capacity of anti-interference of CDMA is much better than GSM cell phone. So the interference effect for GSM cell phone is better than CDMA cell phone.

The shell of jammer will become hot after working for some times. Does the long-time keeping in working condition will damage the machine itself?

It is very normal. When design, we are thinking of taking use of the conductivity of metal shell to help the heat sinking during our designation, by this way, the machine can be kept in good working condition for long time.

Article Source:http://www.chinajiaho.com/Wholesale-security-equipment-signal-jammer_c1053.html

Nowadays, Car DVD players are becoming more and more popular, and likewise prices are dropping dramatically. Consumers can now afford a player at a modest price. If you own a family car and want to keep the kids entertained while you drive, a car DVD player can be a great device to have in the car. Moreover, actually, people go for DVD players not only because it offers an entertainment option but also because it adds to the grace and beauty of your car.

Therefore in order to satisfy the need of increasing dvd player market, there is a great amount of DVD players apearing in online shops. However, how to choose a very player for your car? Here, we would like to give you some essential tips you should consider choosing car dvd players.

Firstly, do some basic research into the price range of DVD players for cars. Based on this information and the input from the other owners, decide on a budget. This will be very important to your choice so take time to consider what you are willing to spend on a DVD player.

Secondly, through browsing online stores, it may be helpful to take notes on different DVD players, prices and features. Then begin narrowing the list you have compiled based on price, warranty and the features that are important to you. Shorten your list to just three or four of the best and most suitable items.

Thirdly, after you have chosen your preferred one, don’t forget to consider that wether this kind of DVD player can work in your country? The size of the screen is fit for your car? whether you can enjoy with the touch screen function with your new players? You can ask for help in customer service department of online shop, they can give you some advice.

At last, make a final selection. Ask yourself if this is the DVD player for you. Then purchase the item and enjoy your DVD player.

Article Source:http://www.chinajiaho.com/Wholesale-car-dvd-players_c1042.html

You need another new type car video play for your precise automobile, will you? CHINAJIAHO keep the steps to search the newest and latest type for our wolrdwide customers. Today, a brand new type will listed in your eyes. Keep attention, here.

This Car DVD Player is full functioned dvd player, just from my title you should know that capatible with GPS, MPEG4 DVB-T, PIP, 3D Menu. These three functions are just a small part of this dvd player functions system. The CAR DVD come with 7″(16:9)touch screen monitor and full motorized flip down mechanism for panel motion. The DVD used High Resolution 800*480 digital screen that enable users enjoy with the player comfortably. Then, it is compatible with steering wheel control function and built-in Bluetooth for mobile hands-free.

What’s more? Please take your time and let’s view the following cool features:
- Built in IPOD function
- PIP(picture in picture.)
- Digital TV supported: Built DVB-T MPEG-4
- 2-Zone function ,the 2 program can be setting differently
- Built in GPS Navigation function
- Radio receiving: FM/AM can be stored 32 stations. RDS is available .
- USB/SD card port: support MP4,DIVX,JPEG,MP3 and WMA playback
- Car backing display: Car reverse camera input (switch automatically)
- Language of OSD menu with DVD: Chinese, English, French, German, Portuguese, Spanish;
- Operation menu of language: Chinese, English
- AV output/input :2 video out, 2audio output, 2video input ,2 audio input
- Subwoofer output
- Compatible with DVD, DVD-R, DVD-RW, HDVD, DVCD, MP3, MP4, CD-R, CD-RW, VCD, DIVX, WMA and so on.
- Maximal power:4X50W maximum power output

Hope all the above information will bring your automobile another wonderful experience.

Article Source:http://www.chinajiaho.com/Wholesale-car-dvd-players_c1042.html

A Mobile phone signal jammer is used to stop nearby Mobile phones from sending or receiving signals. Then, how do Mobile phone jammers work? Let’s view the following information of this issue:

Have you ever been annoyed at chattering on others’ Mobile phone, while you are forced to listen to his yakety-yak? These Mobile phone users are loud and obnoxious, they talk everywhere you are, such as a restaurant or watching a movie at the theater, in the bus or train, in churches, mosques or other places of worship. And even in the library or the museum, in the hospital, in the school classroom and so on. Are you irritated with these chatterboxes? Then, never mind, because a Mobile phone jammer will come to stop such bothersome issues for you.

The range of a personal Mobile phone jammer can be from 10 meters to 100 meters. The jammer can also work at a distance behind walls. Portable Mobile phone jammers are small and pocket-sized, just like Mobile phones. The jammer fits into a pack of cigarettes, so it is easy to hide. The jammer can work well, even when it is in an enclosure. Larger Mobile phone jammers are more powerful and have a range that can be measured in miles, usually this is used by commitments. .

A Mobile phone jammer has three antennas, one each for GSM, 3G and DCS. The jammer works by broadcasting a white noise signal or a wave bubble. First, you have to charge the jammer for at least an hour. Then, you have to plug in the jammer, and turn it on, so Mobile phones in the proximity will have no service available and all calls and messages are lost at that time. Some Mobile phones switch to searching that means their signal is knocked out. When you turn off the jammer, the signals normalize as usual. You can just control the signal for your own need.

Article Source:http://www.chinajiaho.com/Wholesale-security-equipment-signal-jammer_c1053.html

In Chinajiaho online store, the hottest sold electronic products are Car DVD Players. DVD players offer superior picture and sound quality, and what’s more important, they offer all the benefits of home but in a car! Nowadays, Car DVD players have become exceedingly popular with families with young kids. Having them in your car is the perfect way to let both children and adults enjoy with many interesting program along long and short road trips.

At the catalogue of Car DVD Players, you can find a vast variety of 1 DIN car DVD players with large screens. This sort of device is best solution for people who are not used to have a tedious time on the road but want to always amused. Fully featured appliance can be used to watch TV or movies, listen to radio or to your favorite songs. Best prices offered at our store will also help you save a fortune! Browse the 1 DIN – Large Screen category and find the exact Car DVD Players you have looking for!

3.5-inch TFT-LCD screen Car DVD Player with TV FM function

This car entertainment device is come with TFT LCD Screen, support DVD/ VCD/ MP3/ CD/ CD-R/ CD-RW/ MP3/ WMA/ MP4 playback and extend SD, MMC, MS card., built-in varies of languages, which can adapt to your particular needs. What’s more, it also has many other amazing functions. When you are on road, this is best choice to amuse the passengers and help to kill time. The 3.5-inch TFT LCD wide-screen display provides information for whatever source you are watching or listening to, and retracts when not in use. Purchase this excellent Car DVD Player is really your best choice!

Article Source:http://www.chinajiaho.com/Wholesale-car-dvd-players_c1042.html