RN2903A-I/RM103
High sensitivity 915MHz transmitter
Inventory:5,837
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : RN2903A-I/RM103
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Package/Case : Module
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Manufacturer : Microchip Technology
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Components Classification : RF Transceiver Modules and Modems
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Datesheet : RN2903A-I/RM103 DataSheet (PDF)
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Series : RN2903
Overview of RN2903A-I/RM103
The RN2903A-I/RM103 is an RF Transceiver Module optimized for wireless communication using LoRaWAN, digital output for easy interface with microcontrollers, and pulse-width modulation control. It provides excellent performance for IoT devices, smart agriculture, environmental monitoring, and industrial automation.
Pinout
The RN2903A-I/RM103 pinout refers to the configuration and function of each pin in its MODULE-47 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 RN2903A-I/RM103 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
- Wireless communication using LoRaWAN: Enables low-power, wide-area connectivity for remote sensing, asset tracking, and smart city deployments.
- Digital output for easy interface with microcontrollers: Simplifies integration with various microcontrollers and reduces development time.
- Pulse-width modulation control: Allows for precise control over the transmission signal.
- Data transmission security features: Ensures secure data transmission and reception.
- LoRaWAN and FSK transmission modes: Supports multiple transmission modes for flexibility in application design.
- Integrated antenna and PCB design: Reduces component count and simplifies system integration.
- Low power consumption for extended battery life: Enables long-lasting battery operation and reduces energy costs.
- CE and FCC certified: Ensures compliance with relevant regulatory standards.
- Sensing applications in harsh environments: Suitable for use in extreme temperatures, humidity, and vibration conditions.
- Durable and ruggedized enclosure: Protects the module from environmental stressors and physical damage.
- Pulse output for easy interface: Simplifies integration with various devices and systems.
- High sensitivity and accuracy: Enables precise sensing and measurement applications.
- Compact design for easy integration: Reduces system size and simplifies installation.
- Suitable for various applications: Supports a wide range of applications, including IoT devices, smart agriculture, environmental monitoring, and industrial automation.
- High-speed data acquisition and processing: Enables fast data collection and analysis.
- Compact size for space-constrained designs: Suitable for use in small or confined spaces.
- Suitable for industrial control systems: Supports real-time monitoring and control of industrial processes.
- Data logging and recording capabilities: Enables data storage and retrieval for analysis and reporting.
Applications
- IoT devices: Enables wireless communication between IoT devices and the cloud or other devices.
- Smart agriculture: Supports precision farming, crop monitoring, and weather forecasting applications.
- Environmental monitoring: Enables real-time monitoring of environmental parameters such as temperature, humidity, and air quality.
- Industrial automation: Supports real-time monitoring and control of industrial processes, including manufacturing, logistics, and energy management.
Advantages and Disadvantages
The RN2903A-I/RM103 offers several advantages, including:
- Wireless communication using LoRaWAN: Enables low-power, wide-area connectivity for remote sensing, asset tracking, and smart city deployments.
- Digital output for easy interface with microcontrollers: Simplifies integration with various microcontrollers and reduces development time.
- Pulse-width modulation control: Allows for precise control over the transmission signal.
However, the RN2903A-I/RM103 also has some disadvantages:
- Complexity of LoRaWAN protocol: May require additional development time and expertise to implement.
- Limited range and data rate: The module's range and data rate may be limited compared to other wireless communication technologies.
Equivalents
For similar functionalities, consider these alternatives to the RN2903A-I/RM103:
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Package | Tray | Product Status | Active |
Programmabe | Not Verified | RF Family/Standard | General ISM < 1GHz |
Protocol | LoRa™ | Modulation | FSK, GFSK |
Frequency | 902MHz ~ 928MHz | Data Rate | 300kbps |
Power - Output | 18.5dBm | Sensitivity | -146dBm |
Serial Interfaces | UART | Antenna Type | Antenna Not Included, Castellation |
Voltage - Supply | 2.1V ~ 3.6V | Mounting Type | Surface Mount |
Operating Temperature | -40°C ~ 85°C | Package / Case | Module |
Firmware Version | 1.0.3 | Base Product Number | RN2903 |
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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RN2903A-I/RM103
High sensitivity 915MHz transmitter
Inventory:
5,837
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.




