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EZRadio® ISM Band ICs

Silicon Labs EZRadio® family of fully integrated, low-power, low-data-rate, cost-effective wireless ICs are designed to meet the needs of OEMs developing ISM applications for the consumer, industrial and automotive markets. The EZRadio ISM band receivers and transmitters target one-way wireless link applications such as remote keyless entry (RKE), garage door openers, remote controls, home automation, and security devices. Silicon Labs has expanded its EZRadio family of ISM Band ICs with a new Sub-GHz Receiver (Si4355), Transceiver (Si4455), and development kits.

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Part #

RF Transceiver +13/-116 dBm sub-GHz transceiver

SI4455-C2A-GMR
Silicon Labs
1: $7.11
41,169In Stock

Mfr. Part #
SI4455-C2A-GMR

Mouser Part #
634-SI4455-C2A-GMR

RF Transceiver +13/-116 dBm sub-GHz transceiver

Datasheet

41,169In Stock

Cut Tape

$7.11

$5.88

$5.57

$5.14

View

Reel

$4.10

Min.: 1
Mult.: 1

: 2,500

RF Receiver -116 dBm sub-GHz receiver

SI4355-B1A-FMR
Silicon Labs
1: $5.70
19,647In Stock
NRND

Mfr. Part #
SI4355-B1A-FMR

Mouser Part #
634-SI4355-B1A-FMR

NRND

RF Receiver -116 dBm sub-GHz receiver

Datasheet

19,647In Stock

Cut Tape

$5.70

$4.58

$4.35

$4.00

Reel

$3.07

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

RF Receiver -116 dBm sub-GHz receiver

SI4355-C2A-GM
Silicon Labs
1: $6.05
758In Stock

Mfr. Part #
SI4355-C2A-GM

Mouser Part #
634-SI4355-C2A-GM

RF Receiver -116 dBm sub-GHz receiver

Datasheet

758In Stock

$6.05

$5.08

$4.80

$4.39

View

Min.: 1
Mult.: 1

RF Transmitter 8051 Sub-GHz RF transmitter

SI4012-C1001GTR
Silicon Labs
1: $4.16
2,529In Stock

Mfr. Part #
SI4012-C1001GTR

Mouser Part #
634-SI4012-C1001GTR

RF Transmitter 8051 Sub-GHz RF transmitter

Datasheet

2,529In Stock

Cut Tape

$4.16

$3.60

$3.40

$3.14

Reel

$2.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Sub-GHz Development Tools EU +20dBm 169MHz ETSI Cat 1 RF Pico board

4463CPSQ20C169SE
Silicon Labs
1: $88.24
4In Stock

Mfr. Part #
4463CPSQ20C169SE

Mouser Part #
634-4463CPSQ20C169SE

Sub-GHz Development Tools EU +20dBm 169MHz ETSI Cat 1 RF Pico board

4In Stock

$88.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools US/JP +20dBm RF Pico board

4463CPCE20C915
Silicon Labs
1: $88.24
7In Stock

Mfr. Part #
4463CPCE20C915

Mouser Part #
634-4463CPCE20C915

Sub-GHz Development Tools US/JP +20dBm RF Pico board

7In Stock

$88.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools EU +20dBm 868MHz ETSI Cat 1 RF Pico board

4463CPCE20C868SE
Silicon Labs
1: $118.08
6In Stock

Mfr. Part #
4463CPCE20C868SE

Mouser Part #
634-4463CPCE20C868SE

Sub-GHz Development Tools EU +20dBm 868MHz ETSI Cat 1 RF Pico board

Datasheet

6In Stock

$118.08

Min.: 1
Mult.: 1

Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (434MHz)

4010-KFOBDEV-434
Silicon Labs
1: $426.60
5In Stock

Mfr. Part #
4010-KFOBDEV-434

Mouser Part #
634-4010-KFOBDEV-434

Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (434MHz)

Datasheet

5In Stock

$426.60

Min.: 1
Mult.: 1

Sub-GHz Development Tools US/JP Bidirectional +20 dBm link

4463C-915-PDK
Silicon Labs
1: $590.11
5In Stock

Mfr. Part #
4463C-915-PDK

Mouser Part #
634-4463C-915-PDK

Sub-GHz Development Tools US/JP Bidirectional +20 dBm link

Datasheet

5In Stock

$590.11

Min.: 1
Mult.: 1

RF Receiver -116 dBm sub-GHz receiver

SI4355-B1A-FM
Silicon Labs
1: $5.76
1,001In Stock
NRND

Mfr. Part #
SI4355-B1A-FM

Mouser Part #
634-SI4355-B1A-FM

NRND

RF Receiver -116 dBm sub-GHz receiver

Datasheet

1,001In Stock

$5.76

$5.00

$4.72

$4.35

View

Min.: 1
Mult.: 1

Sub-GHz Development Tools MSC-WMB930 + UPPI-930-RF

MSC-F930-PDK
Silicon Labs
1: $392.76
11In Stock

Mfr. Part #
MSC-F930-PDK

Mouser Part #
634-MSC-F930-PDK

Sub-GHz Development Tools MSC-WMB930 + UPPI-930-RF

Datasheet

11In Stock

$392.76

Min.: 1
Mult.: 1

Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (868MHz)

4010-KFOBDEV-868
Silicon Labs
1: $447.84
2In Stock

Mfr. Part #
4010-KFOBDEV-868

Mouser Part #
634-4010-KFOBDEV-868

Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (868MHz)

Datasheet

2In Stock

$447.84

Min.: 1
Mult.: 1

Sub-GHz Development Tools +10dBm RF Pico board

4460CPCE10D434
Silicon Labs
1: $88.24
3In Stock
4Expected 2026-05-08

Mfr. Part #
4460CPCE10D434

Mouser Part #
634-4460CPCE10D434

Sub-GHz Development Tools +10dBm RF Pico board

Datasheet

3In Stock

4Expected 2026-05-08

$88.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools US +20dBm RF Pico board

4463CPCE20C460
Silicon Labs
1: $88.24
2In Stock
5Expected 2026-05-05

Mfr. Part #
4463CPCE20C460

Mouser Part #
634-4463CPCE20C460

Sub-GHz Development Tools US +20dBm RF Pico board

Datasheet

2In Stock

5Expected 2026-05-05

$88.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools EZRadio One-Way Demo Kit (434MHz)

EZR-LEDK1W-434
Silicon Labs
1: $159.84
3In Stock

Mfr. Part #
EZR-LEDK1W-434

Mouser Part #
634-EZR-LEDK1W-434

Sub-GHz Development Tools EZRadio One-Way Demo Kit (434MHz)

Datasheet

3In Stock

$159.84

Min.: 1
Mult.: 1

Sub-GHz Development Tools EZRadio One-Way Demo Kit (915MHz)

EZR-LEDK1W-915
Silicon Labs
1: $138.24
3In Stock

Mfr. Part #
EZR-LEDK1W-915

Mouser Part #
634-EZR-LEDK1W-915

Sub-GHz Development Tools EZRadio One-Way Demo Kit (915MHz)

Datasheet

3In Stock

$138.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools EZRadio Two-Way Demo Kit (434MHz)

EZR-LEDK2W-434
Silicon Labs
1: $142.56
1In Stock

Mfr. Part #
EZR-LEDK2W-434

Mouser Part #
634-EZR-LEDK2W-434

Sub-GHz Development Tools EZRadio Two-Way Demo Kit (434MHz)

Datasheet

1In Stock

$142.56

Min.: 1
Mult.: 1

Sub-GHz Development Tools EZRadio Two-Way Demo Kit (915MHz)

EZR-LEDK2W-915
Silicon Labs
1: $257.76
2In Stock

Mfr. Part #
EZR-LEDK2W-915

Mouser Part #
634-EZR-LEDK2W-915

Sub-GHz Development Tools EZRadio Two-Way Demo Kit (915MHz)

Datasheet

2In Stock

$257.76

Min.: 1
Mult.: 1

RF Transmitter 8051 Sub-GHz RF transmitter

SI4012-C1001GT
Silicon Labs
1: $4.16
681In Stock

Mfr. Part #
SI4012-C1001GT

Mouser Part #
634-SI4012-C1001GT

RF Transmitter 8051 Sub-GHz RF transmitter

Datasheet

681In Stock

$4.16

$3.60

$3.27

$3.14

View

Min.: 1
Mult.: 1

RF Transceiver +13/-116 dBm sub-GHz transceiver

SI4455-C2A-GM
Silicon Labs
1: $7.34
9In Stock

Mfr. Part #
SI4455-C2A-GM

Mouser Part #
634-SI4455-C2A-GM

RF Transceiver +13/-116 dBm sub-GHz transceiver

Datasheet

9In Stock

$7.34

$6.36

$6.02

$5.54

View

Min.: 1
Mult.: 1

Sub-GHz Development Tools EU +14dBm RF Pico board

4461CPCE14D868
Silicon Labs
1: $88.24
7Expected 2026-05-05

Mfr. Part #
4461CPCE14D868

Mouser Part #
634-4461CPCE14D868

Sub-GHz Development Tools EU +14dBm RF Pico board

Datasheet

7Expected 2026-05-05

$88.24

Min.: 1
Mult.: 1

Sub-GHz Development Tools EU +27dBm low cost FET RF Pico board

4463CPSQ27F169
Silicon Labs
1: $113.76
6Expected 2026-06-04

Mfr. Part #
4463CPSQ27F169

Mouser Part #
634-4463CPSQ27F169

Sub-GHz Development Tools EU +27dBm low cost FET RF Pico board

6Expected 2026-06-04

$113.76

Min.: 1
Mult.: 1

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (434MHz)

4010-AESK1W-434
Silicon Labs
1: $129.60
Lead-Time 9 Weeks

Mfr. Part #
4010-AESK1W-434

Mouser Part #
634-4010-AES1W-434

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (434MHz)

Datasheet

Lead-Time 9 Weeks

$129.60

Min.: 1
Mult.: 1

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (915MHz)

4010-AESK1W-915
Silicon Labs
1: $165.60
Lead-Time 9 Weeks

Mfr. Part #
4010-AESK1W-915

Mouser Part #
634-4010-AES1W-915

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (915MHz)

Datasheet

Lead-Time 9 Weeks

$165.60

Min.: 1
Mult.: 1

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (315MHz)

4010-AESK1W-315
Silicon Labs
1: $233.28
Non-Stocked Lead-Time 9 Weeks

Mfr. Part #
4010-AESK1W-315

Mouser Part #
634-4010-AESK1W-315

Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (315MHz)

Datasheet

Non-Stocked Lead-Time 9 Weeks

$233.28

Min.: 1
Mult.: 1