RN42-I/RM477
Wireless data transfer
Inventory:70
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : RN42-I/RM477
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Package/Case : 35-SMDModule
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Manufacturer : Microchip Technology
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Components Classification : RF Transceiver Modules and Modems
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Datesheet : RN42-I/RM477 DataSheet (PDF)
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Series : RN42
Overview of RN42-I/RM477
RN42-I/RM477 is a wireless Bluetooth module optimized for low-power consumption, secure connection with AES encryption, and compatibility with a range of devices and operating systems. It provides excellent performance for industrial automation, consumer electronics, healthcare devices, automotive systems, metering and monitoring equipment, gaming peripherals, wireless sensor networks, and personal and portable medical devices.
Pinout
The RN42-I/RM477 pinout refers to the configuration and function of each pin in its SMD Module-35 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the RN42-I/RM477 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- UART interface: enables communication with various devices and operating systems
- Low power consumption: allows for efficient battery life or energy-saving designs
- Secure connection with AES encryption: ensures reliable data transmission over wireless networks
- Small form factor: compatible with compact designs and small spaces
- Range of up to 100 meters: enables wireless communication within a controlled environment or local network
Applications
- Industrial automation: for connecting sensors, actuators, and control systems in industrial environments
- Consumer electronics: for building wireless connectivity into smartphones, tablets, and other devices
- Healthcare devices: for integrating medical equipment with hospital or patient information systems
- Automotive systems: for implementing car-to-car and car-to-infrastructure communication protocols
- Metering and monitoring equipment: for remote data transmission in smart grid, energy, and public infrastructure applications
- Gaming peripherals: for wireless connectivity between gaming devices and controllers
- Wireless sensor networks: for real-time monitoring and control of various sensors and actuators
- Personal and portable medical devices: for wearable health monitors, blood glucose meters, and other portable diagnostic tools
Advantages and Disadvantages
Advantages
- Simplified design process: with pre-configured features and easy integration into existing systems
- Reduced development time: by leveraging the module's optimized performance and security capabilities
- Increased flexibility: with support for various devices, operating systems, and applications
- Improved reliability: through secure connection establishment and data transmission
Disadvantages
- Limited compatibility: may not be compatible with all devices or systems due to specific protocol requirements
- Data rate limitations: dependent on the device's processing power and wireless transmission capabilities
Equivalents
For similar functionalities, consider these alternatives to the RN42-I/RM477:
- Microchip RN487: a more advanced Bluetooth Low-Energy module with additional features and improved performance
- STMicroelectronics STBC32C: a microcontroller-based Bluetooth Low-Energy module for IoT applications
- Qualcomm QCA9130: a Wi-Fi and Bluetooth co-existence chip for low-power connectivity in small form factor devices
Frequently Asked Questions
Q: What is the projected end-of-life (EOL) date for this product?
A: 2048-10-31, per Microchip's official documentation
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Series | RN42 | Package | Bulk |
Product Status | Obsolete | Programmabe | Not Verified |
RF Family/Standard | Bluetooth | Protocol | Bluetooth v2.1 + EDR, Class 2 |
Frequency | 2.4GHz | Data Rate | 3Mbps |
Power - Output | 4dBm | Sensitivity | -86dBm |
Serial Interfaces | SPI, UART | Antenna Type | PCB Trace |
Voltage - Supply | 3V ~ 3.6V | Mounting Type | Surface Mount |
Operating Temperature | -40°C ~ 85°C | Package / Case | 35-SMD Module |
Base Product Number | RN42 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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RN42-I/RM477
Wireless data transfer
Inventory:
70
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




