Specification	CYW20721B1KWB9GT

Current - Receiving	5.9 mA
Current - Transmitting	5.6 mA
Data Rate (Max)	3 Mbps
Frequency	2.4 GHz
GPIO Count	40
Memory Size (Flash)	1 MB
Memory Size (ROM)	2 MB
Memory Type	RAM, ROM, Flash
Modulation	QPSK, GFSK, 4-DQPSK, 8-DPSK
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-30 °C
Package / Case	134-BGA, WLCSP
Package Length	3.31 mm
Package Name	134-WLCSP
Package Width	3.22 mm
Power - Output	5 dBm
Protocol	Bluetooth v5.1 + EDR
RF Family/Standard	Bluetooth
Sensitivity	-95.5 dBm
Serial Interfaces	SPI, I2S, PDM, PCM, UART, I2C
Type	TxRx + MCU
Voltage - Supply (Maximum)	3.63 V
Voltage - Supply (Minimum)	1.76 V

CYW20721 Series

Part	Current - Transmitting	Type	Protocol	Serial Interfaces	Frequency	RF Family/Standard	Data Rate (Max)	Package Width	Package Name	Package Length	Operating Temperature (Max)	Operating Temperature (Min)	GPIO Count	Mounting Type	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Package / Case	Power - Output	Memory Type	Memory Size (Flash)	Memory Size (ROM)	Current - Receiving	Sensitivity	Modulation	Memory Size (RAM)	Memory Size (SRAM)	Frequency (Min)	Frequency (Max)
INFINEON CYW20721B1KUMLGT	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	I2C I2S PCM PDM SPI UART	2.4 GHz	Bluetooth	3 Mbps	5 mm	40-QFN	5 mm	85 °C	-30 °C	40	Surface Mount	3.63 V	1.76 V	40-UFQFN Exposed Pad	5 dBm	Flash RAM ROM	1 MB	2 MB	5.9 mA	-95.5 dBm	4-DQPSK 8-DPSK GFSK QPSK
INFINEON CYW20721B2KUMLGT	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	GPIO HCI I2C I2S PWM SPI UART	2.4 GHz	Bluetooth	3 Mbps	5 mm	40-QFN	5 mm	85 °C	-30 °C	16	Surface Mount	3.63 V	1.76 V	40-UFQFN Exposed Pad	5.5 dBm	Flash RAM	1 MB		5.9 mA	-95.5 dBm	4-DQPSK 8-DPSK GFSK QPSK	448 kB	448 kB
INFINEON CYW20721B2KUMLG	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	I2C I2S PCM PDM SPI UART	2.4 GHz	Bluetooth	3 Mbps	5 mm	40-QFN	5 mm	85 °C	-30 °C	16	Surface Mount	3.63 V	1.76 V	40-UFQFN Exposed Pad	5 dBm	Flash RAM ROM	1 MB	2 MB	5.9 mA	-95.5 dBm	8DPSK 8PSK DQPSK GFSK QPSK
INFINEON CYW20721B1KUMLG	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	I2C I2S PCM PDM SPI UART		Bluetooth	3 Mbps	5 mm	40-QFN	5 mm	85 °C	-30 °C	16	Surface Mount	3.63 V	1.76 V	40-UFQFN Exposed Pad	5 dBm	Flash RAM ROM	1 MB	2 MB	5.9 mA	-95.5 dBm	8DPSK 8PSK DQPSK GFSK QPSK			2.402 GHz	2.48 GHz
INFINEON CYW20721B2KWB9GT	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	GPIO HCI I2C I2S PWM SPI UART	2.4 GHz	Bluetooth	3 Mbps	3.22 mm	134-WLCSP	3.31 mm	85 °C	-30 °C	40	Surface Mount	3.63 V	1.76 V	134-BGA WLCSP	5.5 dBm	Flash RAM	1 MB		5.9 mA	-95.5 dBm	4-DQPSK 8-DPSK GFSK QPSK	448 kB	448 kB
INFINEON CYW20721B1KWB9GT	5.6 mA	TxRx + MCU	Bluetooth v5.1 + EDR	I2C I2S PCM PDM SPI UART	2.4 GHz	Bluetooth	3 Mbps	3.22 mm	134-WLCSP	3.31 mm	85 °C	-30 °C	40	Surface Mount	3.63 V	1.76 V	134-BGA WLCSP	5 dBm	Flash RAM ROM	1 MB	2 MB	5.9 mA	-95.5 dBm	4-DQPSK 8-DPSK GFSK QPSK

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CYW20721B1KWB9GT | Datasheet