Crystal Frontend Unit - CFE15

FEF L

CFE15, with 15 sockets for 15 crystal front end filters

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Crystal Frontend Unit - CFE30

FEF L

CFE30, with 30 sockets for 30 crystal front end filters

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Multiple crystal front end filters board for 40M

PC-board-mala 40M front end unit with 800Hz narrow Crystal filters for each kHz, from 7011 to 7025 kHz, all controlled from MCU

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