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Home >Module>SPI/SOC/UART>STM32WL
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module
E04-400M20S SoC chip type wireless module based on STMicroelectronics STM32WL33 chip industrial grade crystal oscillators Support secondary development

[RF chip]：STM32WL33

[Transmitting power]： 20dBm

[Communication distance]： 3500m

[Product size]：20*14mm

[Introduction]：E04-400M20S is a SoC wireless communication module based on STMicroelectronics' newly launched STM32WL33 chip solution. The wireless module has the characteristics of long communication distance, low standby power consumption, strong anti-interference ability, rich interface resources, strong processing ability, and small size. It is also suitable for 433/470 frequency band patch wireless modules, using industrial-grade high-precision 32.768KHz and 48MHz crystal oscillators to ensure stable operation of the module. This wireless module requires secondary development by the user and can be widely used in the Internet of Things industry.

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ModuleInterfaceICFrequencyHzPowerdBmDistancekmAir RatebpsPackingSizemmFeatureManualSample
E04-900M20S UART/SPI STM32WL33 868M 915M 20 3.5 0.1 ~ 600k Stamp hole for patch 20*14 STM32WL33K chip, high performance, small size
E04-400M20S UART/SPI/GPIO STM32WL33 433M 470M 20 3.5 0.1 ~ 600k Stamp hole for patch 20*14 STM32WL33K chip, high performance, small size
E77-900M22S UART、SPI、I²C、GPIO、ADC STM32WLE5CCU6 850~930 M 22 5.6 1.2k Patch stamp hole 14 * 20 Rich interface resources
E77-400M22S UART、SPI、I²C、GPIO、ADC STM32WLE5CCU6 410~510 M 22 5.6 1.2k Patch stamp hole 14 * 20 Rich interface resources