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  1. Yesterday
  2. is it me...? i see TWO antennas with TWO PORTS each...?
  3. this are microwave links designs from Israel ...don't remember the brand , tho ...Alvarion ...Ceragon ...Radwin... (more Gain and 2 x Mimo 2x2)
  4. Model #OLX19M-097130-A Frequency (MHz)5150-5825 Antenna 2 Peak Gain (dBi)13.81 VSWR2.0 : 12.0 : 1 Power (Watts) 55 Impedance (Ohms) 50 HPBW (Azimuth)30°28° HPBW (Elevation)28°34° Dimension (mm)129.5 x 120 x 5.3 Polarization Linear Connector IPEX Cable Length (mm) 160 (customized) 112 (customized) Operating Temp (C)-40~+85 Manufacturing 100% made in Taiwan
  5. Last week
  6. what graph do you need...? (i'm working on it)
  7. We are waiting for the simulation.
  8. ,,,try with cst2021...!!! ,,,or maybe I'd better give you the drawing ...!!!
  9. i didn't see it...GREAT! i'll check it now CAN 't OPEN it is newer version...Cst2020 mine
  10. ,,,see the cst*file(T-Antenna) above...!!!
  11. parallel stripes (transmission line ) width...separation ? distance to reflector...?
  12. I do not have the dimensions of the original antenna and the impedance can adapt to 75 Ohm.
  13. The antenna has an impedance of 75 ohms, in the model the port is -50 ohms. Is the design not original? In the original, the antenna is offset from the center of the reflector. The radiation pattern deviates from the normal ~ 5 degrees.
  14. ,,, this antenna could be quite good... T-Antenna.cst
  15. the green PCB seems DOUBLE SIDED with lots of THROUGH HOLES...
  16. different feeding. in the first variant - direct feed (you need a balun), in the second case - Y probe. the second option is the overlap in terms of 1700-2900. but the dimensions must be multiplied by 2+
  17. Simple antenna with small dimensions and 12dBi gain for FPV (5600-6000 MHz). Circular Wave Polarization Antenna (RHCP). bonus: wi-fi 5150 - 5825. siso: and mimo: sizes: DIY measuring Radom
  18. ,,, by the way, maybe something like that could be used as crossed dipole...
  19. https://www.mdpi.com/2079-9292/9/10/1574/htm
  20. looks a lot like EIA dual dipole feed ...but wideband
  21. The ANTEX AX-2000 OFFSET 75 irradiator complete with an offset mirror antenna (not included) is designed to increase the range of 3G modems in the 1705-2175 MHz range . A mirror antenna with an irradiator significantly improves the quality of communication at the borders of 3G service areas. The active vibrator of the irradiator is securely hidden from precipitation and aggressive influences in a plastic case. Overall dimensions, 120x120x60mm To choose the right diameter of the "plate", refer to the following table: Antenna diameter-Resulting gain factor 0.55 m-19 dBi 0,6 m-20 dBi 0.9 m-23 dBi 1.2 m-26,5 dBi 1.5 m-28 dBi Thus, the larger the antenna diameter, the greater the gain. We recommend: use antennas of 0.55-0.9 meters, because they have a relatively small windage, use" plates " of domestic production. But you can also use any other offset antenna.
  22. Yeah , you're RIGHT... maybe ANGLED slots in a little box (cube or sphere)
  23. may i have the file?
  24. this is not Petra BB, this is Petra 9. this is not a patch, but a slot. it's not mimo. how to place two of these in an 80mm reflector? if you place two Slot on top of each other, everything will deteriorate and there will be a problem of balancing and branching cables towards the parabola. neither slot nor patch is suitable for direct focus parabolas feed options, except for large mirrors with three arms (1.8-2m).
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