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Now home routers are basically wireless routers, remember that before is an antenna, now the most basic are two antennas, a good point is the three antennas, basically downstairs you can receive the signal! This small fox will introduce to you a super-four-antenna router: Net-ware "Nighthawk" X8 R8500, this router is a fool when it comes to hand, it was frightened, this packaging is too big! When I saw the package, I was drunk and I was going to get it. Did my student who had...
With the rapid opening of the drone market, it is no longer difficult for people to have a "gray machine" that wants to fly and fly. However, drones are "overflying" and "black fly" accidents frequently occur, causing injuries. Destruction may even be exploited by terrorists, causing major security risks. In addition to the introduction of regulatory policies, the necessary anti-UAV means are not required to be launched, so drones and anti-UAVs will stage a game of...
The popularity of smart homes must have wifi credit, the streets and alleys to the mall wifi signal full coverage, office living room to the bedroom wifi through the wall! Life in the era of contemporary wifi, no wifi like a sinking backwater! Smart TV is a smart home The control center, despite having a mobile phone, ipad, ..., can not cut off TV feelings! Smart TV in the living room is not only an entertainment tool, but also a router, a full wifi signal allows the family to enter the...
A few days ago, on the Internet, a man named @Lianxiaofei published an article on six domestic smart router evaluations. The evaluation results showed that Xiaomi's router mini and Xiaomi's routers had the lowest rate of wall penetration and the worst signal strength. This incident did not last a few days, @ Lu chubby studio broke the news today that millet router Mini's antenna is iron, suddenly caused extreme concern millet official. The antenna made of iron was put first, because...
1. Antenna production material: >1.5mm copper wire, 2M, as shown below Wiring diagram There was no camera when the antenna was made. A lot of friends didn't know how to make this antenna and wiring. PS had one, and I didn't understand. 2 meter pairs are removed, then made into the shape above, made into 4 squares with a length of 12 centimeters. The middle connection ""> 2. Position the antenna, and finally, I use a bamboo pole to fix it, and then put it on the outside,...
Foreword In the wireless image transmission communication system, in order to obtain a higher receiving gain, it is necessary to direct the receiving antenna to align the signal transmission source. This paper designs a vehicle-mounted directional antenna PTZ servo system based on the application platform consisting of the command vehicle and the controlled vehicle, using the magnetic compass and GPS orientation and positioning technology. In this system, the directional receiving antenna and...
At the end of March, Xiaomi launched the Xiaomi Router 3. The biggest difference between this router and its predecessor was the design of the four-antenna antenna. Xiaomi’s propaganda language also “suitable for 4 different”. Iterative products, exactly how their performance, Duanmu and everyone to parse. Millet Router 3 has a larger box size, similar to the non-intelligent D-Link that Duanmu had bought before, but the workmanship and color performance is much better. Although the...
Terahertz (THz) waves generally refer to electromagnetic waves having a frequency of 0.1 to 10 THz (a wavelength in the range of 0.03 to 3 mm between microwave and infrared waves). Terahertz imaging and spectroscopy will be the main technologies for terahertz applications. Terahertz has high frequency and ultra-short pulse (picosecond) characteristics, giving it high spatial resolution and temporal resolution. Terahertz energy is small and does not damage the material, so it has advantages over...
The first commercial graphene product is a conductive ink that can be used in printed circuits and other electronic components. Graphene inks are low cost and very soft and much more powerful than other conductive inks such as nano-metal particles. In order to make the graphene sheet better soluble in ink, a binder is sometimes added to help solidify the ink. This graphene ink must be annealed at high temperatures to achieve its purpose. However, the annealing process can damage the material...
On July 13, 2015, the University of Wisconsin Madison announced that researchers at the University have developed a high-performance light-receiving/light-emitting element that has a cross-sectional area that is 10,000 times larger than the actual size of a component ( English publication materials, papers). The university stated that the device can be used as a light-receiving element with a light collection function, and will be developed for the realization of an ultra-high sensitivity light...
Recently, engineers at the Georgia Institute of Technology in the United States developed an optical rectifying antenna that converts light directly to direct current. The researchers believe that this result is expected to provide a new light detection technology that does not require refrigeration, and it can also convert waste heat into electricity, which will eventually become a new way of using solar energy. The optical rectenna can operate at a temperature of 5°C to 77°C. It uses carbon...
We developed a green laser for visible light rectification antenna and measured its conversion efficiency. Main structure of manufactured rectenna for visible light Researchers at Georgia Tech in the United States have developed a rectenna that receives visible light and converts it into electricity. The rectifying antenna is a device that combines rectifying diodes on the antenna to convert electromagnetic waves into direct current. The principle of power generation is completely different...
A team of scientists from the University of Birmingham in the United Kingdom has developed a versatile notebook antenna assembly that integrates Wi-Fi, Bluetooth wireless, GPS functionality, and 3G/4G LTE signal reception in one antenna. The connection between the screen and the keyboard allows the thin and light notebooks to gain powerful wireless connectivity and provide longer battery life. The problem with traditional antenna hardware is that a single-function antenna element cannot usually...
Smart machines have been developing in the direction of smaller size and higher performance, and a research team from the Aalto University in Finland has developed a revolutionary antenna technology that not only occupies a smaller area, but also helps Improves cell phone signal and extends battery life. Because various antennas used for different purposes such as Bluetooth, Wi-Fi, GPS, and cellular networks are arranged in the mobile phones, they not only occupy a place, consume a lot of...
Tencent Digital (Blue) has heard about the music 2S or will be released on September 7, and will have up to 8GB of memory and other luxury configuration. Now, there are users on the microblogging again leaked Le 2S's real machine spy photos, the main feature is the use of a real ultra-narrow frame design, and the back of the antenna bar seems to draw on the iPhone 7 processing mode, change up and down The curved design of the two ends and the edge part is likely to be the music Le X720 that...
Tencent digital hearing (Eskimo) want to watch TV programs but can not sit in front of the television? Still using old and illegal satellite dishes? With WatchAir's help, these are no longer issues. This smart antenna can not only receive HDTV signals, but also wirelessly transmit live TV images to your mobile device. Var related_video_info = { vid: 'v0021m83u3p', cid: '', url: 'http://v.qq.com/page/v/3/p/v0021m83u3p.html', pic: 'http://vpic....
Want to watch TV programs but cannot sit in front of the TV? Still using old and illegal satellite dishes? With WatchAir's help, these are no longer issues. This smart antenna can not only receive HDTV signals, but also wirelessly transmit live TV images to your mobile device. WatchAir just needs to be installed indoors to receive high-definition television signals. You can use the application to determine the correct installation location and then connect it to the TV and you're done....
At present, there are many EAS brands in China, and the quality is quite different. The price is mixed. In fact, there are not many real production and R&D capabilities. What is a cost-effective burglar antenna? Generally can be distinguished from the following aspects. Effective detection rate: It can be called a blind spot, which can also be called a missed report rate. Whether it is domestic or imported, there will be blind spots due to the influence of the environment. The blind zone...
Do boxes need to be equipped with exposed antennas? The exposed antenna is actually not useless. The public psychology will have an external antenna signal that must be very strong. The antenna is built into the box and there is no exposed number. The business is to seize this mentality, crazy to this Point as a selling point to promote, do not believe you can go Haimi Di, Kai Boer, and other old brand exposed antenna to see what? The implementation of the box has few external antennas, mainly...
How do I place the router antenna? When we use Wifi, have we encountered such problems: Although the router is in the living room, sometimes the signal is unstable or not good enough. In fact, in many cases, the bad signal is not a problem with the quality of the router, but because the location of the wireless router antenna is not correct. So, how to place the router antenna? The following Xiaobian talk about the correct placement of wireless router antenna tips: First of all, although the...
The development of set-top boxes has gradually been divided into two types: antenna (built-in antenna) and external antenna. Among them, the built-in antennas represented by Xiaomi, Magic Box, LeTV, and Infik I9, such as Tianmin, Haimeidi, and Kaiboer are The external antenna represented. Regarding the built-in antenna and external antenna which is good, the camp users have been arguing endlessly. So what is an external antenna or a built-in antenna? Square: built-in antenna is good Technology...
Lei Feng network (search "Lei Feng network" public concern) : Author RFsister Maker RF space Xia Zende, this article describes the iPhone from the first generation 10 years ago, iPhone's appearance process and antenna design changes. Lei Feng network has been authorized by the author, reproduced please contact the authorization. The iPhone has always been unique in its simple appearance, outline, and exquisite craftsmanship. From the first generation iPhone to the latest iPhone...
The router is essential for everyone's life, but nobody will talk to the router every day. Unless the wifi signal is not good, you think of such a thing in the corner, and then dust and start checking. ..... What is the reason for the bad signal? In addition to walls, distances, electromagnetic interference, etc., have you ever wondered about the placement of router antennas? Next, Teng Xiaomei came to talk to us about how the antenna is placed in the best position. The most scientific...
The solar antenna is made of 10 micron long, 4 micron thick fiber ropes. It includes about 30 million carbon nanotubes. Chemical engineers at the Massachusetts Institute of Technology, through the use of carbon nanotube-made solar antennas, use 100 times more solar energy than ordinary solar photovoltaic cells. Researchers believe that this kind of antenna can capture and gather solar energy. As a result, a smaller and more powerful solar array can be created. Michael Strano, an associate...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.