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,,,yes, maybe we should..!!!

Frequency Range(MHz) 698~960 1710~2690 698~806 806~960 1710~2170 2300~2690 Polarization ±45° Gain (dBi) 7 7 8 8 Horizontal 3dB beamwidth (°) 75 75 65 65 Vertical 3dB beamwidth (°) 65 60 60 60 Front-to-back ratio (dB) ＞15 VSWR <1.8 Isolation: intra-system (dB) ≥20 Intermodulation IM ≤-140dBc(2*33dBm) Impedance (Ω) 50 Max. power per input (W) @50°C 50 Lightning protection Dc Ground Mechanical specifications Connector 2*N-Female with 300mm length cable Connector position Bottom Height×width×depth (mm) 260*185*75 Antenna weight (kg) 0.77 Radome material ABS Radome color White Operating temperature (℃) -40~60

,,, these would be the simulations and dimensions...!!!!

,,how to build a flatband helix spiral...

LPDA 1,7-2,7 GHz

"Lunokhod-3 "(original, flight copy) ,,, the antenna (helix + patch), with all its long length, does not show a very high gain in directivity...

,,,directories D2,,,D19 can be 39 mm in diameter...!!!

,,,it's not exactly the best solution...try with wire mesh....!!!

Powerful remote panel antenna for 3G (UMTS2100), 50 Ω, GAIN=17dBi. F=1900-2180МГц. Electrical characteristics Operating frequency range, MHz 1900-2200 Gain, dBi 16÷17 The width of the days in H-plane, degrees 32÷40 Days width in E-plane, degrees 16÷19 The sidelobe level, dB, not more -13 The ratio of forward/reverse, dB not less than 20 Input impedance, Ohm 50 SWR in the frequency range, not more 1,5 Permissible power watts 10 Polarization -vertical/horizontal Mechanical characteristics Weight with mount, g1800 Overall dimensions without mounting, m 0,45х0,24х0,05 Connector N-female Antenna material steel, galvanized steel Protective coating powder polymeric paint Material of protective box Polycarbonate+ABS

Sorry, it's my mistake....!!! I will make a simulation with these dimensions(in red).

,,, 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...!!