PIM Considerations for Board-to-Board Connector Solutions

As wireless communication systems continue to evolve from 4G to 5G and beyond, the RF path continues to evolve, as well. The need for compact integration among RF subsystems, such as massive MIMO configurations, requires us to re-examine connectivity between remote radio units (RRU), filters and antennas. This connectivity traditionally involves the use of coaxial cable jumpers. A new challenge has surfaced for a board-to-board (B2B) connector solution capable of simultaneously connecting or mating multiple RF paths in a small (and sometimes inaccessible) area while maintaining the same RF performance characteristics of a traditional coaxial cable assembly.

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