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25LC128
SI4438-B (2)SI4438 (6)SI443 (32)SI44 (166)SI4 (1072)
Silicon Labs

SI4438-B1C-FMR

IC RF TxRx + MCU General ISM < 1GHz 425MHz ~ 525MHz 20-VFQFN Exposed Pad
Silicon Labs

SI4438-B1C-FM

IC RF TxRx + MCU General ISM < 1GHz 425MHz ~ 525MHz 20-VFQFN Exposed Pad
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