Can I use 2 different antennas for MIMO?

QUESTION:

Can I use 2 different antennas for MIMO?

The complete question was: Is it technically feasible to create 2x2 cross polarized MIMO scheme using non identical antennas? E.g. the classic LPDA-92 with the new LPDA-599?

Short Answer:

Yes, if specific conditions to be met.

  • Firstly, a router supporting 2x2 MIMO must be available.
  • Secondly, both antennas need to operate within the same frequency bands.

Longer answer:

Yes, if specific conditions to be met.

  • Firstly, a router supporting 2x2 MIMO must be available.
  • Secondly, both antennas need to operate within the same frequency bands.

See below the frequency table where we list the ranges for the POYNTING LPDA-500 and LPDA-92 Antennas.

So essentially, there are three scenarios:

Perfect Match

Only 2x Frequency bands (1427-1517 and 1710-2700) that the customer will take full advantage of MIMO during operation.

Partial Match

Even though the antenna pairs aren't identical within other bands, they still could harness the MIMO capabilities if the frequencies used fall within 698MHz-960MHz and 3400MHz-3800MHz (both antennas cover these frequencies).

No Match

There will be no MIMO capabilities using the 5000MHz-7200MHz frequency operation.

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