Serial Interfaces:	SPI, UART
Package / Case:	Module
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Current - Transmitting:	140mA
Current - Receiving:	40mA
Voltage - Supply:	3 V ~ 3.7 V
Memory Size:	8MB Flash, 2MB ROM, 128kB RAM
Utilized IC / Part:	--
Antenna Type:	Integrated, Chip + U.FL
Series:	--
Sensitivity:	-85dBm
Power - Output:	18dBm
Data Rate:	54Mbps
Frequency:	2.4GHz
Modulation:	CDK, DBPSK, DQPSK, DSSS, OFDM
Protocol:	802.11b/g
RF Family/Standard:	WiFi
Part Status:	Active
Packaging:	Tray

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RF Transceiver Modules: RN131C/RM475 Application Field and Working Principle

In the connected world, RF or Radio Frequency transceivers have become an indispensable part of modern communication technology. They are used to facilitate the exchange of data, information, and signals between two electronic devices over a wireless connection. In essence, an RF transceiver module is a single chip that functions as both a transmitter and a receiver, allowing two-way wireless communication between electronics. In this article, we will be focusing on the RN131C and RM475 transceiver modules, which are a type of such RF transceivers.The RN131C module is a low-power, integral Wi-Fi transceiver with an integrated microcontroller, used for providing wireless networking and data exchange. It is a complete Wi-Fi hardware module, designed to work with a range of MCUs and host systems. It supports the 2.4 GHz 802.11b/g/n Wi-Fi standards, with data rates up to 54 Mbps. The RN131C module is equipped with an integrated antenna, multiple I/O interfaces, and an efficient power management system. It is optimized for low power consumption, and offers a wide range of security protocols and services.The RM475 is a high-performance multi-functional transceiver module based on a RISC MCU core. It is a compact, low-power module designed for use in multimedia radios, digital cordless phones, and global system mobile (GSM) telecommunication systems. It supports the 802.11b/g/n Wi-Fi standards and provides a data rate of upto 54 Mbps. The RM475 is equipped with an integrated low noise amplifier and a modulator-demodulator, providing high-speed data transmission. It also supports a variety of modulation techniques, ranging from Frequency Division Multiple Access (FDMA) to Code Division Multiple Access (CDMA).The RN131C and RM475 are used primarily in a variety of wireless communication applications such as automatic meter reading (AMR) systems, home automation and building control systems, sensor networks, and internet of things (IoT) devices. They can be used in industrial or commercial settings as well as in automotive and aircraft applications.The RN131C and RM475 both use an integrated transceiver front-end, providing efficient data transmission and reception. This allows them to achieve high-speed wireless data rates. They also both implement multiple access control techniques, such as CSMA/CA and TDM, which help reduce interference and enable seamless data communications. Furthermore, both modules support a variety of security protocols, making them suitable for applications that involve sensitive data.The working principle of both the RN131C and RM475 is based on a combination of modulation and coding techniques. When transmitting data, they modulate a carrier signal with the input information, which is then coded using a coding technique such as differential phase modulation. This encoded signal is then amplified, filtered, and transmitted over the air. On the receiving end, the signal is decoded and the information is extracted.In conclusion, the RN131C/RM475 are a type of RF transceiver modules, designed for providing two-way wireless communication. They use an integrated transceiver front-end, providing efficient data transmission and reception. They are suitable for a variety of communication applications, such as AMR systems, home automation and building control systems, and IoT devices. Furthermore, they both support a range of security protocols and modulation techniques, making them secure and reliable.

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