Name: SI4438-B1C-FMR
Brand: Silicon Labs
SKU: SI4438-B1C-FMR
Availability: InStock
Rating: 5 (27727 reviews)

Attribute	Attribute Value
Base Product Number	SI4438
Current - Receiving	14mA
Current - Transmitting	75mA
Data Rate (Max)	500kbps
Frequency	425MHz ~ 525MHz
GPIO	4
Memory Size	-
Mfr	Silicon Labs
Modulation	FSK, GFSK, GMSK, OOK
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Package	Tape & Reel (TR), Cut Tape (CT), Digi-Reel®
Package / Case	20-VFQFN Exposed Pad
Power - Output	20dBm (Max)
Product Status	Not For New Designs
Protocol	-
RF Family/Standard	General ISM < 1GHz
Sensitivity	-124dBm
Serial Interfaces	SPI
Series	-
Supplier Device Package	20-QFN (4x4)
Type	TxRx Only
Voltage - Supply	1.8V ~ 3.6V

IC RF

Wire Transfers (T/T): Secure wire transfer payments can be made directly to our bank account. Our banking details will be provided upon order confirmation. Credit Card Payments: We accept major credit cards, including Visa, MasterCard, American Express, and Discover.
Original Components: All products are guaranteed to be 100% original and sourced directly from manufacturers or authorized distributors. 12-Month Warranty: We offer a 12-month warranty on all our products
Time Frame: Products can be returned or exchanged within 30 days from the date of purchase if they are found to be defective. Condition: The product must be in its original condition, with all packaging and documentation, to be eligible for return or exchange.
Inspection: All returned products will be inspected for defects. To determine if a product is defective, we rely on testing reports from White Horse Laboratories. Defective Product: If a product is determined to be defective based on the White Horse Laboratories report, we will offer a free return or exchange.
Processing Time: Once we receive and inspect the returned product, we will process your refund or exchange within 7-10 business days. Refund Method: Refunds will be issued to the original payment method used at the time of purchase.

Shipping	Use DHL Express by default
Delivery	Will usually ship within 3 bussiness day.

4.1 average based on 4 reviews.

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