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Part Number	Manufacturer	Description	Package	Stock	Package	Series	Frequency	Applications	Modulation or Protocol	Data Rate (Max)	Power - Output	Current - Transmitting	Data Interface	Antenna Connector	Memory Size	Features	Voltage - Supply	Operating Temperature	Package / Case
AS3977-BQFT	ams	IC RF TRANSMITTER FSK 16-QFN	Package: 16-VFQFN Exposed Pad	Stock3,582	16-VFQFN Exposed Pad	-	300MHz ~ 928MHz	RKE, Security Systems	FSK	100kbps	10dBm	16mA	PCB, Surface Mount	PCB, Surface Mount	-	-	2 V ~ 3.6 V	-40°C ~ 85°C	16-VFQFN Exposed Pad
AS3977-BQFU	ams	IC RF TRANSMITTER FSK 16-QFN	Package: 16-VFQFN Exposed Pad	Stock3,492	16-VFQFN Exposed Pad	-	300MHz ~ 928MHz	RKE, Security Systems	FSK	100kbps	10dBm	16mA	PCB, Surface Mount	PCB, Surface Mount	-	-	2 V ~ 3.6 V	-40°C ~ 85°C	16-VFQFN Exposed Pad
AS3977B-BQFM	ams	IC RF TRANSMITTER FSK 16QFN	Package: 16-VQFN Exposed Pad	Stock6,714	16-VQFN Exposed Pad	-	300MHz ~ 928MHz	-	ISM	100kbps	8dBm	19.5mA	SPI	-	-	-	2 V ~ 3.6 V	-40°C ~ 85°C	16-VQFN Exposed Pad
AS3977B-BQFS	ams	MULTICHANNEL FSK TRANSMITTER	Package: 16-VQFN Exposed Pad	Stock3,708	16-VQFN Exposed Pad	-	300MHz ~ 928MHz	RKE, Security Systems	FSK	100kbps	10dBm	16mA	PCB, Surface Mount	PCB, Surface Mount	-	-	2 V ~ 3.6 V	-40°C ~ 85°C	16-VQFN Exposed Pad
AS3977B-BQFT	ams	MULTICHANNEL FSK TRANSMITTER	Package: 16-VQFN Exposed Pad	Stock7,380	16-VQFN Exposed Pad	-	300MHz ~ 928MHz	RKE, Security Systems	FSK	100kbps	10dBm	16mA	PCB, Surface Mount	PCB, Surface Mount	-	-	2 V ~ 3.6 V	-40°C ~ 85°C	16-VQFN Exposed Pad

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