What is PIM in Antenna Specs?

Design question: What is PIM in Antenna Specs?
It shows -153.
What does it means.
Appreciate if you share details.

It’s a type of interference which can be caused by many reason.
Any value below -100 dbm would be good.
-153 dbm shows very good quality PIM rating.

Hello Experts.

We have done PIM test in L900 Cell (As per the vendor advice β†’ we have experienced high external interference and vendor confirmed that PIM is there)

Can anyone advise these PIM value is abnormal or Normal?

For most of the cases PIM is due to poor RF connectivity.
Either jumper cable or the antenna itself.
Can check whether there are metal structures close to the antenna or not (like metal scaffolding or steel sheet structures).

But here there 3rd order PIM is in DL.
Even though the intensity is quite high, but still it will never reflect in the RTWP/RSSI (as those are uplink measurement).

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