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I can sum up the first one with

MRF6VP11KGSR5

935314866178

Not Recommended for New Designs...

That and with out a doubt that particular board is optimized for 88-108MHz

The latter can be summed up with nearly the same.

A 500 W to 600 W LDMOS power transistor for broadcast applications and industrial applications in the HF to 500 MHz band.


The seller I know nothing of ...