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RF Transceiver ICs

Suntsu Electronics is your go-to supplier for high-performance RF Transceiver ICs. Our advanced part search tool streamlines finding the ideal components for your application. Search by part number, manufacturer, or specifications related to your project’s requirements. Access our extensive database and discover the perfect solution for your wireless communication needs.

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Total Products: 3,546
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
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SI4420-D1-FTRN/ASI4420-D1-FTRSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 5.4V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
8dBm
Sensitivity:
-109dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 5.4V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
13mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
1,125
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SI4421-A0-FT
SI4421-A0-FTSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
1,458
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SI4421-A0-FTR
SI4421-A0-FTRSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
767
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SI4421-A1-FT
SI4421-A1-FTSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
1,696
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SI4421-A1-FTR
SI4421-A1-FTRSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
810
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SI4430-A0-FM
SI4430-A0-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
18mA ~ 28mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
208
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N/A
SI4430-A0-FMRSilicon LabsIC RF TXRX ISM 20VFQFNRF Transceiver ICsN/AN/AN/A

N/A

11
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SI4430-B1-FM
SI4430-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
924
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SI4430-B1-FMR
SI4430-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,045
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SI4431-A0-FM
SI4431-A0-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
18mA ~ 28mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
284
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SI4431-A0-FMR
SI4431-A0-FMRSilicon Labs+13 DBM SUB-GHZ TRANSMITTERRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C (TA)
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
28mA
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,456
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SI4431-B1-FM
SI4431-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
740
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SI4431-B1-FMR
SI4431-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,426
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SI4432-B1-FM
SI4432-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
20dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
644
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SI4432-B1-FMR
SI4432-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
20dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
504
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SI4432-V2-FM
SI4432-V2-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
20dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
27mA ~ 80mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
513
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SI4432-V2-FMR
SI4432-V2-FMRSilicon LabsIC RF TXRX ISM 20VFQFNRF Transceiver ICsN/AN/AN/A

N/A

807
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SI4438-B1C-FM
SI4438-B1C-FMSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
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 (4×4)
517
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SI4438-B1C-FMR
SI4438-B1C-FMRSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
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 (4×4)
43
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SI4438-C2A-GM
SI4438-C2A-GMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
13.7mA
Current – Transmitting:
75mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
319
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About RF Transceiver ICs

Radio frequency (RF) transceiver integrated circuits (ICs) are semiconductor devices that incorporate both a receiver and transmitter in a single package. These ICs are essential components in wireless communication systems, providing the hardware necessary for sending and receiving data. RF Transceiver ICs are widely used in various applications, including Bluetooth, Wi-Fi, and various IoT applications.

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