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SI4438-B1C-FM

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Part No :

SI4438-B1C-FM

Manufacturer
Silicon Labs
VIGOR # :

4074420

Description
IC RF TXRX+MCU ISM<1GHZ 20VFQFN
Catalog
RF Transceiver ICs
DataSheet
SI4438-B1C-FM PDF
Country of origin
-
Date code
-
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SI4438-B1C-FM Specifications
Type Description
Series:-
Package:Tray
Part Status:Active
Type:TxRx + MCU
RF Family/Standard:General ISM < 1GHz
Protocol:-
Modulation:FSK, GFSK, GMSK, OOK
Frequency:425MHz ~ 525MHz
Data Rate (Max):500kbps
Power - Output:20dBm (Max)
Sensitivity:-124dBm
Memory Size:-
Serial Interfaces:SPI
GPIO:4
Voltage - Supply:1.8V ~ 3.6V
Current - Receiving:14mA
Current - Transmitting:75mA
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:20-VFQFN Exposed Pad
Supplier Device Package:20-QFN (4x4)
  • Please confirm the specifications of the products when ordering.
  • MOQ means the minimum order quantity required to purchase each parts.
  • If you have special order instructions,please note it on the ordering pages.
  • The Pre-Shipment Inspection (PSI) will be applied.
  • You can email us to change the order details before shipment.
  • Orders cannot be canceled after shipping the packages.
  • TT in advance (bank transfer), Credit Card, PayPal can be chosen.
  • Cash transfer only. (Transfer with checks and bills are not accepted.)
  • Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
  • If you need the detailed invoice or tax ID,please email us.
  • FedEx, DHL, and UPS can be selected.
  • You can select whether to charge shipping fee by your shipping account or to charge by our side.
  • Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
  • The shopping cart will automatically calculate the shipping cost.
  • Delivery time: At the same day (Order deadline is 2pm, HK Time).
  • Delivery date: usually 2 to 7 working days.
  • It is unable to appoint a date of delivery.
  • Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)
In Stock: 0
Shipped from
HK warehouse
Expected Shipping Date
Jan 11 - Jan 15 2026
Pricing(USD)
Quantity Unit Price Ext. Price
1 $2.58 $2.58
25 $2.48 $61.99
100 $2.38 $238.43
1000 $2.18 $2 180.92

Current price of SI4438-B1C-FM is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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