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,,, as seen in the first post, it works best in the 2.6 GHz band...!!!

,,,you can try the Bester antenna with the dimensions below (in red)...

Archer C20 – AC 750 Wireless dual band router supports 5GHz 433 Mbps and 2.4GHz 300Mbps connections for 733 Mbps of total bandwidth

,,,hi buddy...!!! ,,,what type of modem do you have?

https://www.lan23.ru/forum/node/11134 https://antex-e.ru/store/4g-antenny/antenny-4g-lte1800/ax-2014p-mimo-2x2---vneshnyaya-panelnaya-napravlennaya-antenn/

Frequency Range...2300-2400 MHZ ; 2400-2483 MHz ; 2500-2700 MHz ....with different sizes

I tried to satisfy your request....

,,,hi buddy...!!! ,,,maybe try to do this...17 dBi

,,,how does the mikrotik R52H-350 wireless card look like...??? ,,,these are the data you need...

I will try to do a simulation for 5.8 GHz...!!!

I executed the reflector after Hamza and the vibrator (2 patches) changed its geometry...

,,,hi buddy...!!! ,,,no, I don't have it, but something similar can be improvised..!!!

,,,hi buddy...to know that I tried(by simulation) this repeater solution but it didn't work...!!

"It seems that this antenna is quite good...

The patch may be in a variety of shapes, but rectangular and circular are the most common because ease of analysis and fabrication, attractive radiation characteristics, especially low cross polarization(LCP). These antennas, in general resonant efficiently at a single resonance frequency corresponding to their dominant mode and typically narrow bandwidth (1-2%) and low gain .

,,,biloop, it"s two circular dipole...!!!

,,,it is also possible like this, with circular dipole...

,,,,another McNeil fake antenna...!!!

,,,another form of Bester antenna...

Powerful wide-band antenna 2G/3G/4G/WIFI. Strengthening 17.5-20.0 dBi.It is recommended to use complete with universal modems Huawei Е392,E3276(M150-1) and the usual 3G and 4G modems. Electrical characteristics Operating frequency range, MHz 1700-2700 The gain in the GSM1800 band, dBi 17,5-18 The gain in the 3G range (1.9 to 2.2 GHz), dBi 18-19 The gain in range of WIFI (2.4 GHz), dBi 19,5 The gain in the range of 4G (LTE), dBi 19,5-20,0 The width of the days in H-plane, degrees 15-26 Days width in E-plane, degrees 15-26 The sidelobe level is not more -12dB The level of cross-polarization, not more -25dB Input impedance, Ohm 50 The CWS in the range of GSM 1800, nothing more 1.6 The CWS in the range of 3G/4G/WIFI, not more 1.4 Permissible power watts 50 Polarization vertical/horizontal Mechanical characteristics Weight with mount, g 3195 Mount mast diameter 20-52mm Overall dimensions without mounting, m 0,45х0,45х0,06 Allowable wind speed, m/sec 20 Connector N-female Material of protective box Polycarbonate+ABS Antenna material galvanized steel Fastener material steel Protective coating powder polymeric paint

3G feed MiG Offset LTE MIMO 2.1-10 for offset plates are designed for use in conjunction with offset dish satellite antenna. The irradiator is installed in a regular place of attachment of the satellite Converter and gives a powerful gain of up to 28dBi. If Your 4G modem works bad in the country, and low-speed Internet access and a small signal level is not satisfied, then installing 3G LTE 2100 radiator on a plate from a satellite antenna You get reliable reception of the 3G signal at a considerable distance from the base station. "and the MiMo version...

,,,an best Bester...

At the request of a friend 'Ahmed", I designed an MiMo antenna of the GSM band(800-950MHz)

Make a parabolic Wi-Fi dish to boost your Wi-Fi reception from junk laying around your house. This simple project was not intended to be a masterpiece of mechanical engineering. It is simply an idea of how to make your Wi-Fi signal a little better hopefully without spending much cash. The way a Parabolic works is that it reflects the signal from a larger surface area than that of the antenna alone. Then concentrates it at the focal point where it has another hiperbolic reflector ,