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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-C2A-GMR Silicon Labs 1: $6.094 38.506In Stock	Mfr. Part # SI4455-C2A-GMR Mouser Part # 634-SI4455-C2A-GMR	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	38.506In Stock	Cut Tape $6.094 $4.985 $4.008 $3.634 View Reel $3.294 $3.349 $3.305 $3.294	Min.: 1 Mult.: 1 : 2.500
RF Receiver -116 dBm sub-GHz receiver SI4355-B1A-FMR Silicon Labs 1: $3.788 19.642In Stock NRND	Mfr. Part # SI4355-B1A-FMR Mouser Part # 634-SI4355-B1A-FMR NRND	Silicon Labs	RF Receiver -116 dBm sub-GHz receiver Learn More about Silicon Labs si4355 rf receivers	Datasheet	19.642In Stock	Cut Tape $3.788 $3.294 $3.140 $2.789 Reel $2.503 View $2.701 $2.646 $2.580 $2.492 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
RF Receiver -116 dBm sub-GHz receiver SI4355-C2A-GM Silicon Labs 1: $4.633 723In Stock	Mfr. Part # SI4355-C2A-GM Mouser Part # 634-SI4355-C2A-GM	Silicon Labs	RF Receiver -116 dBm sub-GHz receiver Learn More about Silicon Labs siliconlabs ezradio	Datasheet	723In Stock	$4.633 $3.491 $3.206 $2.899 View $2.745 $2.723 $2.558	Min.: 1 Mult.: 1
Sub-GHz Development Tools EU +20dBm 868MHz ETSI Cat 1 RF Pico board 4463CPCE20C868SE Silicon Labs 1: $90.032 2In Stock 4Expected 11/24/2026	Mfr. Part # 4463CPCE20C868SE Mouser Part # 634-4463CPCE20C868SE	Silicon Labs	Sub-GHz Development Tools EU +20dBm 868MHz ETSI Cat 1 RF Pico board Learn More about Silicon Labs ezradio tools	Datasheet	2In Stock 4Expected 11/24/2026	$90.032	Min.: 1 Mult.: 1
Sub-GHz Development Tools US/JP +20dBm RF Pico board 4463CPCE20C915 Silicon Labs 1: $67.283 3In Stock	Mfr. Part # 4463CPCE20C915 Mouser Part # 634-4463CPCE20C915	Silicon Labs	Sub-GHz Development Tools US/JP +20dBm RF Pico board Learn More about Silicon Labs ezradio tools		3In Stock	$67.283	Min.: 1 Mult.: 1
Sub-GHz Development Tools EU +14dBm RF Pico board 4461CPCE14D868 Silicon Labs 1: $67.283 7In Stock	Mfr. Part # 4461CPCE14D868 Mouser Part # 634-4461CPCE14D868	Silicon Labs	Sub-GHz Development Tools EU +14dBm RF Pico board Learn More about Silicon Labs ezradio tools	Datasheet	7In Stock	$67.283	Min.: 1 Mult.: 1
Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (434MHz) 4010-KFOBDEV-434 Silicon Labs 1: $330.034 6In Stock	Mfr. Part # 4010-KFOBDEV-434 Mouser Part # 634-4010-KFOBDEV-434	Silicon Labs	Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (434MHz) Learn More about Silicon Labs ezradio tools	Datasheet	6In Stock	$330.034	Min.: 1 Mult.: 1
RF Receiver -116 dBm sub-GHz receiver SI4355-B1A-FM Silicon Labs 1: $4.633 124In Stock NRND	Mfr. Part # SI4355-B1A-FM Mouser Part # 634-SI4355-B1A-FM NRND	Silicon Labs	RF Receiver -116 dBm sub-GHz receiver Learn More about Silicon Labs si4355 rf receivers	Datasheet	124In Stock	$4.633 $3.491 $3.206 $2.899 View $2.745 $2.723 $2.558	Min.: 1 Mult.: 1
Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (868MHz) 4010-KFOBDEV-868 Silicon Labs 1: $341.464 2In Stock	Mfr. Part # 4010-KFOBDEV-868 Mouser Part # 634-4010-KFOBDEV-868	Silicon Labs	Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (868MHz) Learn More about Silicon Labs ezradio tools	Datasheet	2In Stock	$341.464	Min.: 1 Mult.: 1
Sub-GHz Development Tools +10dBm RF Pico board 4460CPCE10D434 Silicon Labs 1: $67.283 5In Stock	Mfr. Part # 4460CPCE10D434 Mouser Part # 634-4460CPCE10D434	Silicon Labs	Sub-GHz Development Tools +10dBm RF Pico board Learn More about Silicon Labs siliconlabs ezradio	Datasheet	5In Stock	$67.283	Min.: 1 Mult.: 1
Sub-GHz Development Tools US +20dBm RF Pico board 4463CPCE20C460 Silicon Labs 1: $67.283 11In Stock	Mfr. Part # 4463CPCE20C460 Mouser Part # 634-4463CPCE20C460	Silicon Labs	Sub-GHz Development Tools US +20dBm RF Pico board Learn More about Silicon Labs ezradio tools	Datasheet	11In Stock	$67.283	Min.: 1 Mult.: 1
Sub-GHz Development Tools EZRadio One-Way Demo Kit (434MHz) EZR-LEDK1W-434 Silicon Labs 1: $129.152 2In Stock	Mfr. Part # EZR-LEDK1W-434 Mouser Part # 634-EZR-LEDK1W-434	Silicon Labs	Sub-GHz Development Tools EZRadio One-Way Demo Kit (434MHz) Learn More about Silicon Labs ezradio tools	Datasheet	2In Stock	$129.152	Min.: 1 Mult.: 1
Sub-GHz Development Tools EZRadio One-Way Demo Kit (915MHz) EZR-LEDK1W-915 Silicon Labs 1: $105.404 3In Stock	Mfr. Part # EZR-LEDK1W-915 Mouser Part # 634-EZR-LEDK1W-915	Silicon Labs	Sub-GHz Development Tools EZRadio One-Way Demo Kit (915MHz) Learn More about Silicon Labs ezradio tools	Datasheet	3In Stock	$105.404	Min.: 1 Mult.: 1
Sub-GHz Development Tools EZRadio Two-Way Demo Kit (434MHz) EZR-LEDK2W-434 Silicon Labs 1: $114.934 1In Stock	Mfr. Part # EZR-LEDK2W-434 Mouser Part # 634-EZR-LEDK2W-434	Silicon Labs	Sub-GHz Development Tools EZRadio Two-Way Demo Kit (434MHz) Learn More about Silicon Labs ezradio tools	Datasheet	1In Stock	$114.934	Min.: 1 Mult.: 1
Sub-GHz Development Tools EZRadio Two-Way Demo Kit (915MHz) EZR-LEDK2W-915 Silicon Labs 1: $196.534 2In Stock	Mfr. Part # EZR-LEDK2W-915 Mouser Part # 634-EZR-LEDK2W-915	Silicon Labs	Sub-GHz Development Tools EZRadio Two-Way Demo Kit (915MHz) Learn More about Silicon Labs ezradio tools	Datasheet	2In Stock	$196.534	Min.: 1 Mult.: 1
Sub-GHz Development Tools MSC-WMB930 + UPPI-930-RF MSC-F930-PDK Silicon Labs 1: $299.467 2In Stock 4On Order	Mfr. Part # MSC-F930-PDK Mouser Part # 634-MSC-F930-PDK	Silicon Labs	Sub-GHz Development Tools MSC-WMB930 + UPPI-930-RF Learn More about Silicon Labs ezradio tools	Datasheet	2In Stock 4On Order	$299.467	Min.: 1 Mult.: 1
RF Transmitter 8051 Sub-GHz RF transmitter SI4012-C1001GT Silicon Labs 1: $3.481 371In Stock 400Expected 10/9/2026	Mfr. Part # SI4012-C1001GT Mouser Part # 634-SI4012-C1001GT	Silicon Labs	RF Transmitter 8051 Sub-GHz RF transmitter Learn More about Silicon Labs si4012 rf transmitters	Datasheet	371In Stock 400Expected 10/9/2026	$3.481 $2.207 $2.075 $1.987 View $1.943 $1.691 $1.647	Min.: 1 Mult.: 1
RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-C2A-GM Silicon Labs 1: $5.863 9In Stock	Mfr. Part # SI4455-C2A-GM Mouser Part # 634-SI4455-C2A-GM	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	9In Stock	$5.863 $4.644 $4.304 $3.898 View $3.579 $3.448 $3.393 $3.338	Min.: 1 Mult.: 1
Sub-GHz Development Tools US/JP Bidirectional +20 dBm link 4463C-915-PDK Silicon Labs 1: $470.473 5On Order	Mfr. Part # 4463C-915-PDK Mouser Part # 634-4463C-915-PDK	Silicon Labs	Sub-GHz Development Tools US/JP Bidirectional +20 dBm link Learn More about Silicon Labs ezradio tools	Datasheet	5On Order	$470.473	Min.: 1 Mult.: 1
RF Transmitter 8051 Sub-GHz RF transmitter SI4012-C1001GTR Silicon Labs 1: $3.481 2.500Expected 12/18/2026	Mfr. Part # SI4012-C1001GTR Mouser Part # 634-SI4012-C1001GTR	Silicon Labs	RF Transmitter 8051 Sub-GHz RF transmitter Learn More about Silicon Labs si4012 rf transmitters	Datasheet	2.500Expected 12/18/2026	Cut Tape $3.481 $2.789 $2.591 $2.361 Reel $1.976 View $2.229 $2.163 $2.064 $1.921 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (434MHz) 4010-AESK1W-434 Silicon Labs 1: $98.816 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # 4010-AESK1W-434 Mouser Part # 634-4010-AES1W-434	Silicon Labs	Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (434MHz) Learn More about Silicon Labs ezradio tools	Datasheet	Non-Stocked Lead-Time 9 Weeks	$98.816	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: $126.265 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # 4010-AESK1W-915 Mouser Part # 634-4010-AES1W-915	Silicon Labs	Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (915MHz) Learn More about Silicon Labs ezradio tools	Datasheet	Non-Stocked Lead-Time 9 Weeks	$126.265	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: $177.868 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # 4010-AESK1W-315 Mouser Part # 634-4010-AESK1W-315	Silicon Labs	Sub-GHz Development Tools Si4010 Keyfob Demo Kit with AES Capability and Si4355 Receiver (315MHz) Learn More about Silicon Labs siliconlabs ezradio	Datasheet	Non-Stocked Lead-Time 9 Weeks	$177.868	Min.: 1 Mult.: 1
Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (915MHz) 4010-KFOBDEV-915 Silicon Labs 1: $367.814 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # 4010-KFOBDEV-915 Mouser Part # 634-4010-KFOBDEV-915	Silicon Labs	Sub-GHz Development Tools Si4010 Development Kit with Si4355 Receiver (915MHz) Learn More about Silicon Labs ezradio tools	Datasheet	Non-Stocked Lead-Time 9 Weeks	$367.814	Min.: 1 Mult.: 1
RF Development Tools +20dBm antenna diversity RF pico board 4463CPCE20A915 Silicon Labs 1: $67.283 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # 4463CPCE20A915 Mouser Part # 634-4463CPCE20A915	Silicon Labs	RF Development Tools +20dBm antenna diversity RF pico board Learn More about Silicon Labs ezradio tools		Non-Stocked Lead-Time 9 Weeks	$67.283	Min.: 1 Mult.: 1

EZRadio® ISM Band ICs

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