SI4032-B1-FMR is available for purchase but is not normally stocked.
Available Substitutes:

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Texas Instruments
In Stock: 3,641
Unit Price: $2.64000
Datasheet
RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 20dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
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SI4032-B1-FMR

DigiKey Part Number
SI4032-B1-FMR-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
SI4032-B1-FMR
Description
RF TX IC FSK 240-930MHZ 20VFQFN
Customer Reference
Detailed Description
RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 20dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Silicon Labs
Series
Packaging
Tape & Reel (TR)
Part Status
Not For New Designs
DigiKey Programmable
Not Verified
Frequency
240MHz ~ 930MHz
Applications
General Purpose
Modulation or Protocol
FSK, GFSK, OOK
Data Rate (Max)
256kbps
Power - Output
20dBm
Current - Transmitting
30mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Memory Size
-
Features
-
Voltage - Supply
1.8V ~ 3.6V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
Base Product Number
Product Questions and Answers

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Available To Order
Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
All prices are in AUD
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$6.82924$17,073.10
Manufacturers Standard Package
Unit Price without GST:$6.82924
Unit Price with GST:$7.51216