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FSK, OOK RF Transmitter
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RF Transmitter Sub-GHz Transmitter
+2 images
SI4055-C2A-GM
Silicon Labs
1:
CHF 3.32
2’894
In Stock
Mfr. Part No.
SI4055-C2A-GM
Mouser Part No
634-SI4055-C2A-GM
Silicon Labs
RF Transmitter Sub-GHz Transmitter
Datasheet
2’894
In Stock
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1
CHF 3.32
10
CHF 2.56
25
CHF 2.35
100
CHF 2.12
250
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250
CHF 2.01
500
CHF 1.99
1’000
CHF 1.87
2’450
CHF 1.83
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EZ Radio
+ 85 C
QFN-20
SMD/SMT
Tray
3.6 V
1.8 V
RF Transmitter 8051 Sub-GHz RF transmitter
+1 image
SI4012-C1001GT
Silicon Labs
1:
CHF 2.56
371
In Stock
400
Expected 10/23/2026
Mfr. Part No.
SI4012-C1001GT
Mouser Part No
634-SI4012-C1001GT
Silicon Labs
RF Transmitter 8051 Sub-GHz RF transmitter
Learn More
about Silicon Labs si4012 rf transmitters
Datasheet
371
In Stock
400
Expected 10/23/2026
Alternative Packaging
1
CHF 2.56
10
CHF 1.62
25
CHF 1.53
200
CHF 1.46
600
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600
CHF 1.42
1’000
CHF 1.24
5’000
CHF 1.21
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Min.:
1
Mult.:
1
Details
Sub-GHz
27 MHz to 960 MHz
+ 85 C
MSSOP-10
SMD/SMT
Tube
3.6 V
1.8 V
RF Transmitter 8051 Sub-GHz RF transmitter
+1 image
SI4012-C1001GTR
Silicon Labs
1:
CHF 2.56
2’500
Expected 12/18/2026
Mfr. Part No.
SI4012-C1001GTR
Mouser Part No
634-SI4012-C1001GTR
Silicon Labs
RF Transmitter 8051 Sub-GHz RF transmitter
Learn More
about Silicon Labs si4012 rf transmitters
Datasheet
2’500
Expected 12/18/2026
Alternative Packaging
Cut Tape
1
CHF 2.56
10
CHF 2.04
25
CHF 1.90
100
CHF 1.73
Reel
2’500
CHF 1.45
5’000
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250
CHF 1.64
500
CHF 1.58
1’000
CHF 1.52
5’000
CHF 1.41
MouseReel Available
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1
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:
2’500
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Sub-GHz
27 MHz to 960 MHz
+ 85 C
MSSOP-10
SMD/SMT
Reel, Cut Tape, MouseReel
3.6 V
1.8 V
RF Transmitter TX SubG
SI4021-A1-FT
Silicon Labs
2’016:
CHF 2.54
Non-Stocked
NRND
Mfr. Part No.
SI4021-A1-FT
Mouser Part No
634-SI4021-A1-FT
NRND
Silicon Labs
RF Transmitter TX SubG
Datasheet
Non-Stocked
Alternative Packaging
2’016
CHF 2.54
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Min.:
2’016
Mult.:
2’016
Details
Universal ISM Band
430.24 MHz to 929.27 MHz
+ 85 C
TSSOP-16
SMD/SMT
Tube
5.4 V
2.2 V
RF Transmitter TX SubG
SI4021-A1-FTR
Silicon Labs
2’000:
CHF 2.36
Non-Stocked
NRND
Mfr. Part No.
SI4021-A1-FTR
Mouser Part No
634-SI4021-A1-FTR
NRND
Silicon Labs
RF Transmitter TX SubG
Datasheet
Non-Stocked
Alternative Packaging
Reel
2’000
CHF 2.36
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Min.:
2’000
Mult.:
2’000
Reel
:
2’000
Details
Universal ISM Band
430.24 MHz to 929.27 MHz
+ 85 C
TSSOP-16
SMD/SMT
Reel
5.4 V
2.2 V
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