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5pcs/ B5f Type Imported Patch 1:1ct 5-500mhz 2db Rf Rf Balun Double Balanced Mixer Transformer Rbln-0130vapzl (458db-1011) - Integrated Circuits - AliExpress
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STMicroelectronics reveals broad selection of antenna-matching RF integrated passive devices for STM32WL MCUs - ST News
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