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  • Cost
    Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerSilicon Labs
  • CategoryRF and Wireless
  • PackagesTray
  • Standard Quantity490
  • DescriptionIC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad
  • Package / Case20-VFQFN Exposed Pad
  • Sensitivity-121dBm
  • Mounting TypeSurface Mount
  • Frequency240MHz ~ 930MHz
  • TypeTxRx Only
  • Operating Temperature-40°C ~ 85°C
  • Voltage - Supply1.8V ~ 3.6V
  • Power - Output20dBm (Max)
  • Current - Receiving18.5mA
  • Data Rate (Max)256kbps
  • Current - Transmitting85mA
  • Supplier Device Package20-QFN (4x4)
  • GPIO3
  • ModulationFSK, GFSK, OOK
  • RF Family/StandardGeneral ISM < 1GHz
  • Serial InterfacesSPI
  • DigiKey ProgrammableNot Verified

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Quality and Reliability

We supply 100% original and brand-new SI4432-B1-FM from Silicon Labs only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
    Source at least two reliable suppliers
  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 2,475
Please send an RFQ for instant price and inventory.
 Fast Shipping

QUANTITY

Multiples of 1

MORECustomer Reviews
  • An***na 
    The goods arrived yesterday, it's great.
  • Ge***er 
    Yumi, you are the best!
  • Ra***na 
    Good!
  • As***in 
    Thank you very much for your kind support so far!
  • Pe***tr 
    Yumi, you are my best foreign trader, be sure

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Hard-to-find Electronic Components Distributor
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In Stock: 2,475 | For reference only.