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Part No SI4032-B1-FMR
Manufacturer Silicon Labs
Catalog RF Transmitters
Description RF TX IC FSK 240-930MHZ 20VFQFN / RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 20dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Rohs State Need to verify

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Shipped from HK warehouse
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Pricing & Ordering $6.5430 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
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Availability: 25,200 pieces
MOQ: 6 pcs
Order Increment : 1 pcs
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Products specifications

Category RF/IF and RFID>RF Transmitters
Mfr Silicon Labs
Series EZRadioPRO®
Package Tape & Reel (TR)
Product Status Not For New Designs
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
Voltage - Supply 1.8V ~ 3.6V
Temperature Range - Operating -40°C ~ 85°C
Mounting SMD (SMT)
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-QFN (4x4)
Base Product Number SI4032
Standard Package 2,500
MSL Level 1 (Unlimited)
HTSUS 8542.39.0001
Win Source Part Number 1235627-SI4032-B1-FMR
Fake Threat In the Open Market 55 pct.


The SI4032-B1-FMR is a high-performance RF transmitter designed for general purpose applications. The transmitter has a frequency range of 240MHz ~ 930MHz and a data rate of 256kbps. It has a power output of 20dBm and a current transmitting of 30mA. The transmitter has a voltage supply of 1.8V ~ 3.6V and comes in 20-VFQFN Exposed Pad package. The transmitter operates in a temperature range of -40°C ~ 85°C and is ECCN: 5A991B compliant. The SI4032-B1-FMR is a reliable and accurate transmitter that is suitable for a variety of applications.

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