SPWF04SA

Sensitivity:	-96dBm
Package / Case:	Module
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Current - Transmitting:	260mA
Current - Receiving:	105mA
Voltage - Supply:	3.3V
Utilized IC / Part:	--
Antenna Type:	Integrated, Chip
Serial Interfaces:	I²C, SPI, UART
Series:	--
Power - Output:	18.3dBm
Data Rate:	54Mbps
Frequency:	2.4GHz
Modulation:	DSSS, OFDM
Protocol:	802.11b/g/n
RF Family/Standard:	WiFi
Part Status:	Obsolete
Packaging:	Tray

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RF Transceiver Modules

RF transceiver modules are widely used in modern wireless communication systems, providing a way for two devices to send and receive data over a distance. SPWF04SA is an advanced chip from STMicroelectronics specifically designed for application in RF systems, offering exceptionally high performance and reliable communication. This article looks at the SPWF04SA\'s application fields and how it works.

Application Fields

The SPWF04SA is a powerful chip for use in RF transceiver modules. It can be used in a variety of applications, including short-range radio transmission and wireless sensor networks. It is also well-suited for voice-over IP (VoIP) communication, providing extremely low latency and high-bandwidth transmission.The chip is particularly well-suited for use in industry automation and Internet of Things (IoT) applications, offering reliable, high-speed communication and data transmission. It can be used in wireless monitoring systems, allowing for remote monitoring of devices, such as in medical equipment and home security systems. It can also be used in industrial and manufacturing applications, where reliable communication is essential.

Working Principle

The SPWF04SA transceiver module uses a 2.4 GHz frequency hopping spread spectrum (FHSS) technology. FHSS works by rapidly changing between multiple frequencies, allowing for a much higher amount of data to be transferred than other transmission methods.The FHSS protocol is extremely reliable, with high immunity to interference from other signals. It is also secure, as data is encoded and transmitted using various techniques, such as spread spectrum modulation and data scrambling.The SPWF04SA is capable of transmitting and receiving data at speeds of up to 11 Mbps per second with a range of up to 75 meters, depending on the environment. It also supports a number of other features, such as frequency hopping, adaptive data rate, and power saving modes.The module also provides an exceptional level of energy efficiency, with an ultra-low power consumption of less than 1 mA at 2.4 GHz. This makes it ideal for IoT and industrial applications, where battery life is critical.

Conclusion

The SPWF04SA is an exceptionally advanced transceiver module, providing high-performance RF communication for short-range applications. It is well-suited for a variety of applications, including VoIP and industry automation, and offers exceptional power efficiency and reliability. Its FHSS protocol ensures that data is communicated securely and reliably, and its superior speed allows for fast, high-bandwidth communication.

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