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,,,a new YouTube...

,,,this is...

Can be made of a pcb board and a metal reflector

,,,goto Modeling>History List>delete all farfield ,,,install another frequency>>>

When you increase the frequency range, you must delete the old frequency range and install the new one."

,,,another type of Bester Antenna ... Article numberAX-1500 OFFSET BOX Input impedance, Ohms50 Overall dimensions, m0, 145x0, 145x0, 154 Permissible power, W10 Protective coatingpowdered polymer paint SWR in the operating frequency range, max.1,3 Weight300 Casing materialABS+Polycarbonate Irradiator materialgalvanized steel Polarisationleft\right circular map Operating frequency range, MHz1525 - 1575 ConnectorsSMA-male on flexible cable Resulting gain (and bottom width) for different dish diameters25,6dBi ; 16,8dBi ; 17,6dBi ; 21,1dBi ; 24,3dBi The resulting gain and level width of the radiation pattern is 3dB0.55 m 16.8 dBi 23 gr. 0.6 m 17.6 dBi 21 gr. 0.9 m 21.1 dBi 14 gr. 1.3 m 24.3 dBi 9 gr. 1.5 m 25.6 dBi 8 gr. Native gain, dBi10 Width of the DN lobes in the E-plane (horizontal), °110÷120 Width of the DN lobes in the H-plane (vertical), °110÷120

,,,inside(section) of the connectors...

,,,dimensions are shown in the images above...!!!

The feed offset parabolic antenna KIP9-1700/2700DP MIMO 2x2 is designed for use with 3G/4G/WiFi modems and routers. The radiator supports standards LTE1800, UMTS2100, LTE2600 and WiFi(2.4 GHz) 802.11 b/g/PS 2x2 MIMO in the frequency range of 1700-2700 MHz. If you have a 4G modem, and Internet speed and signal strength are not satisfied, then the use of bundles 4G irradiator plate surely will boost the signal. Because of MIMO standard doubles the bandwidth of the channel. Amplification up to 35 dB. Antennas-characteristics : Operating frequency range, MHz 1700-2700 Antenna gain, dB 8-9 SWR in the operating frequency range, max. 1.5 Polarisation Linear Input impedance, Ohms 50 Maximum input power, W 10 Connector F- female N- female Permissible wind load, m / s 30 Operating temperature range, oC -40 … +50 Maximum permissible air humidity, % 100 Crosspolarization decoupling not less than, dB 30 Communication Standard WiFi 2400 ;LTE 2600 ;UMTS 2100; LTE 1800; Multi-band Mounting type on the pipe Execution type irradiator MIMO and inside...

In this tutorial you will learn how to simulate antenna devices in CST-Studio...https://space.mit.edu/RADIO/CST_online/mergedProjects/EXP_HF/examplesoverview/patch_antenna.htm

ECO, THE IMAGES ARE NOT VISIBLE...!!! "For how big the reflector is, the antenna gain is not that great."

I finally managed to do a simulation with this antenna....

A new small, low-profile and light-weight helical antenna element was designed for 2,1-2,4GHz-band communications. The novelty of the antenna is that its input impedance matching has been improved by adjusting the copper strip matching stub, while its circular polarization performance has been enhanced by changing the parasitic radiation patch loaded in the front of the antenna.

Featured outdoor antenna products which enhance your reception of 4G signal from the tower to your location. All antennas featured are easy to install and it is with the connectors required to connect to your existing modem.

Model wireless network USB adapter TL-WN721N Lite N series supports IEEE 802.11 g and IEEE 802.11 b. It works great with all devices of the standards 802.11 b/g/n. An automatic detection of speed allows the wireless network USB adapter TL-WN721N to transfer data at high speeds (maximum capacity to 150Мбит/s).

,,,the feed point is not positioned there...!!!!

,,,for Clanon... PAGODA.stl

I think you should put an SMA connector instead of the discrete port - that might be the mistake....!!!

Cheap High Power Wifi Usb Adapter Sinmax SI-7300NA Sky Wireless Antenna Signal Long Range Wifi Adapter 30dbi High Gain Wholesale. Single frequency (2.4-2.4835GHz) Inside antenna...

,,,this is the real gain of this antenna(without Wifi Adapter)...

Then the mistake is somewhere else(on 3D Model)...!!!

Ground Plain is missing