RF Transceiver Modules and Modems

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	RF Family/Standard	Protocol	Modulation	Frequency	Data Rate	Power - Output	Sensitivity	Serial Interfaces	Antenna Type	Utilized IC / Part	Memory Size	Voltage - Supply	Current - Receiving	Current - Transmitting	Mounting Type	Operating Temperature
BLE121LR-A-M256KC RF TXRX MOD BLUETOOTH CHIP SMD Silicon Labs	4,384	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	Bluetooth	Bluetooth v4.0	-	-	2Mbps	8dBm	-98dBm	I2C, PCM, SPI, UART	Integrated, Chip	CC2541	256kB Flash, 8kB SRAM	2V ~ 3.6V	28mA ~ 33mA	25mA ~ 39mA	Surface Mount	-40°C ~ 85°C
BT111-A-HCIC RF TXRX MODULE SURFACE MOUNT Silicon Labs	2,429	-	RFQ	Datasheet	-	41-SMD Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	CSR8510	-	-	-	-	Surface Mount	-
BT121-A-V2C RF TXRX MODULE SMD Silicon Labs	1,994	-	RFQ	Datasheet	-	41-SMD Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
BT121-A-V2-IAPC RF TXRX MODULE SMD Silicon Labs	1,682	-	RFQ	Datasheet	-	41-SMD Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WF111-A-V1C RF TXRX MODULE WIFI CHIP SMD Silicon Labs	1,428	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	WiFi	802.11b/g/n	-	2.4GHz	72.2Mbps	17dBm	-97dBm	PIO, SDIO, SPI	Integrated, Chip	-	-	1.7V ~ 3.6V	70mA ~ 88mA	74mA ~ 192mA	Surface Mount	-40°C ~ 85°C
WF111-E-V1C RF TXRX MODULE WIFI U.FL SMD Silicon Labs	1,097	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	WiFi	802.11b/g/n	-	2.4GHz	72.2Mbps	17dBm	-97dBm	PIO, SDIO, SPI	Antenna Not Included, U.FL	-	-	1.7V ~ 3.6V	70mA ~ 88mA	74mA ~ 192mA	Surface Mount	-40°C ~ 85°C
WF121-A-V2C RF TXRX MODULE SMD Silicon Labs	4,200	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WF121-E-V2C RF TXRX MODULE SMD Silicon Labs	4,709	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-A-AI55C RF TXRX MODULE SMD Silicon Labs	1,948	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-A-AI56C RF TXRX MODULE SMD Silicon Labs	2,612	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-A-AI56IAPC RF TXRX MODULE SMD Silicon Labs	2,217	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-E-AI55C RF TXRX MODULE SMD Silicon Labs	2,249	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-E-AI56C RF TXRX MODULE SMD Silicon Labs	3,596	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-E-AI56IAPC RF TXRX MODULE SMD Silicon Labs	2,232	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT11U-E-HCI21001C RF TXRX MODULE SMD Silicon Labs	3,372	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	-
WT12-A-AI55C RF TXRX MODULE SMD Silicon Labs	1,166	-	RFQ	Datasheet	*	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	BlueCore4	-	-	-	-	Surface Mount	-
WT12-A-AI56C RF TXRX MODULE SMD Silicon Labs	2,713	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	BlueCore4	-	-	-	-	Surface Mount	-
WT12-A-AI56IAPC RF TXRX MODULE SMD Silicon Labs	1,069	-	RFQ	Datasheet	*	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	BlueCore4	-	-	-	-	Surface Mount	-
WT12-A-HCI21001C RF TXRX MODULE SMD Silicon Labs	4,207	-	RFQ	Datasheet	*	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	BlueCore4	-	-	-	-	Surface Mount	-
WT32-A-AI5C RF TXRX MODULE SMD Silicon Labs	4,827	-	RFQ	Datasheet	-	Module	Strip	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	BlueCore5	-	-	-	-	Surface Mount	-

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RF Transceiver Modules and Modems FAQ

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What should I check when selecting RF Transceiver Modules and Modems components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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