How to understand the LOW PIM for the LOW PIM rf connector?

How to understand the LOW PIM for the LOW PIM rf connector? PIM was the buzzword for wireless infrastructure this week as the industry decided to adopt the new "standard" LOW PIM rf connector. PIM stands for passive intermodulation (similar to IMD but different from active components), measured in dB.

PIM is defined as an unwanted signal or signal produced by a nonlinear mixture of two or more frequencies, but what does it mean for consumers? High PIM means poor cellular reception and limited bandwidth for end users, which in turn means customers lose customers.

Low PIM means strong signal, more bandwidth for more users, which means satisfied customers and higher carrier revenue. From a hardware perspective, this means that each connection must be designed to minimize PIM and tested to ensure proper installation.

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How to understand the LOW PIM for the LOW PIM rf connector?