Dawn produces some 2.4 GHz, 5.8 GHz, dual-band Wi-Fi antennas. Including 5g wifi antenna, wifi panel antenna, 5g wifi panel antenna products, etc. They can be placed to use in backhaul systems, outdoor wireless LAN systems, point to point, point to multi-point systems and wireless bridges, etc. The antenna radiates radio waves and receives radio waves. However, it is not radio waves that the transmitter sends to the antenna through the feeder. The receiving antenna cannot send radio waves directly to the receiver through the feeder. The energy conversion process must be performed. Below we take the radio communication equipment as an example to analyze the signal transmission process, and then explain the energy conversion effect of the antenna.

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If you are tired of having to take your calls outside, then it is time for you to install a home cell signal booster. These handy repeater antennas can amplify your outdoor cell phone signal to improve call quality and prevent drops. And the best part is they are fairly easy to install. Read on below to browse our top picks.


The inside of the wifi panel antenna is composed of three layers of metal plates. The top layer is called the slit radiation layer, which is a lot of orderly arranged cracks on the metal plate. The working principle of the wifi panel antenna still conforms to the theory of the half-wave dipole antenna. The second layer of the flat wifi panel antenna is the conductive layer, which plays the role of coupling the electric wave signals absorbed by the various slit radiating elements of the first layer of the slit radiating layer to the third layer of waveguide feeding layer or waveguide through each corresponding "window" Go up to the transport layer. The third layer of the planar antenna and the second conductive layer together form the transmission and feed circuit of the waveguide, which truly becomes the waveguide transmission layer.


wifi panel antenna installation skills

To install a flat wifi panel antenna, first point it to the south. Secondly, it is necessary to clarify whether the satellite signal is horizontally polarized or vertically polarized. The azimuth angle of the antenna can be adjusted by adjusting the third adjustment ring between the flat antenna surface and the support rod. If the orbital position of the received satellite is higher than the orbital position of the corresponding satellite in the due south direction, turn the flat antenna to the east; otherwise, if the orbital position of the received satellite is lower than the orbital position of the satellite in the due south direction, move the flat antenna to the west turn. Adjust the elevation angle and adjust the intermediate adjustment ring between the flat antenna surface and the support rod.


After adjusting the azimuth and elevation angles of the wifi panel antenna, return to adjust the polarization angle. In the reflective parabolic antenna, the polarization angle of the tuner is adjusted, but now the polarization angle of the planar antenna is adjusted. Although the adjustment parts of the two are different, the adjustment methods of the two are similar. As long as the face of the flat wifi panel antenna is regarded as the antenna vibrator (commonly known as the probe) in the tuner, adjust the three angles repeatedly until the satellite signal is adjusted.

To wifi panel antenna installation technique 1:

Debug to improve the standing wave ratio. The standing wave ratio is an indicator of whether all electrical signals have reached the end point during transmission. There may be obstructions everywhere in the transmission, and there will be reflections if there is obstruction. Because during transmission, any impedance mismatch or roughness and unevenness of the transmission conductor will cause the reflection of radio waves. Therefore, the standing wave ratio must be tested during debugging, so that the standing wave ratio tends to 1, which means that there is no reflection and that the received signal can be transmitted to the terminal more.

To wifi panel antenna debugging technique 2:

Adjust directivity and reduce noise. The noise of the antenna is a very complicated problem, usually the inherent thermal noise in the passive antenna and the introduced sky electrical noise. However, since most of the current wifi panel antennas are integrated wifi panel antennas composed of antenna + tuner, the noise of the tuner becomes the noise of the integrated antenna at this time. In order to improve the effectiveness of antenna use and concentrate limited power to useful places, antennas are usually designed with strong directivity. Generally, the directivity coefficient and directivity diagram of the antenna are used to express the directivity of the antenna.


wifi panel antenna installation and debugging skills 3:

Choose a good pot noodle to improve efficiency. Efficiency is a very important technical indicator of wifi panel antennas. Among the reflective parabolic antennas, the highest quality antenna efficiency of the single reflective parabolic antenna is only about 0.7, and the efficiency of the antenna that generally meets the national standard is only about 0.6. Generally, the antennas of low-priced informal manufacturers are only 0.4-0.5, and a good parabolic antenna must be selected. A very important factor in the efficiency of the wifi panel antenna is the feed of the radiating element of the wifi panel antenna. On the vibrator-type wifi panel antenna, their feed uses microstrip transmission lines. On wifi panel antennas, their feed is waveguides. Whether it is a vibrator-type flat wifi panel antenna or a flat wifi panel antenna, if their feed is completely in-phase, their efficiency will be very high, usually exceeding the reflective parabolic antenna.


Plate antenna improvement method

The transmission loss of the feeder of the wifi panel antenna is a microstrip transmission line used in the vibrator wifi panel antenna, and a transmission waveguide is used in the wifi panel antenna. Although these two transmission media can play a transmission role in the flat antenna, working at the 12GHz frequency of the Ku-band, slightly improper design and manufacturing, there will be greater loss. To

The wifi panel antenna has a radiating element antenna array composed of many elements or slots. These radiating elements must be connected to the transmission line (microstrip or waveguide), often in parallel in pairs and then connected to the transmission line. Each time the circuit is connected in parallel, the impedance will change once, which may increase the loss. The more connections, the greater the loss. The more radiating elements, the worse the connection. Therefore, the more radiating elements in the panel antenna, the more difficult it is to match. Mismatched connection will inevitably increase loss.


Plate Antenna In the vibrator-type planar antenna, the microstrip transmission line is printed on the circuit board, and there is not only loss during transmission, but also radiation. This radiation not only causes loss, but also interferes with the overall directivity of the original design of the panel antenna. In the flat antenna, the size of the waveguide must be designed very accurately, and the processing technology of the waveguide cavity is very demanding, otherwise it will increase the loss, so the matching connection technology can reduce the loss.