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Microchip LoRa Module 915 MHz 18.5 dBm Maximum Output Power -146 dBm Receiver Sensitivity UART API GPIO RN2903A-I/RM105
Specifications
| Country of Origin | India |
|---|---|
| Range | 15 km |
| Brand | Microchip |
| Height | 3.34mm |
| Model | RN2903A-I/RM105 |
| Series | RN2903 |
| Receiver Sensitivity | -146dBm |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 2.1V |
| Protocol Type | Lora |
| Supported Bus Interfaces | UART, API, GPIO |
Key Features
- The module operates within a supply voltage range of 2.1V to 3.6V.
- It supports the LoRaWAN Class A protocol enabling efficient IoT network integration.
- The compact module measures 17.8 by 26.7 by 3.34 mm with castellated SMT pads for easy PCB mounting.
- Onboard firmware supports Device Firmware Upgrade over UART for seamless updates.
- Includes 14 GPIO pins for control, status, and ADC functions.
- Certified for use in the 915 MHz band optimized for long-range and low power.
- Ideal for IoT, M2M, Smart City, sensor networks, industrial automation, and other low power wireless applications.
- Features integrated MCU, crystal oscillator, EUI-64 Serial EEPROM, and radio transceiver with analog front end.
Product Description
Microchip RN2903A-I/RM105 is a fully certified 915 MHz LoRa module designed for long range, low power wireless communication in Industrial, IoT, and Smart City applications. It features a maximum output power of 18.5 dBm and an exceptional receiver sensitivity of -146 dBm that enables wide-area connectivity using the LoRaWAN Class A protocol. This module supports multiple bus interfaces including UART, API, and GPIO enabling flexible integration in embedded systems.
The compact form factor of 17.8 mm × 26.7 mm × 3.34 mm with castellated SMT pads ensures reliable and easy mounting to PCBs. The onboard firmware supports Device Firmware Upgrade (DFU) over UART, facilitating in-field updates. It contains 14 General Purpose Input/Output (GPIO) pins to support control, status monitoring, and ADC measurements.
Designed to work in the sub-GHz ISM band, the RN2903 module combines the MCU, crystal oscillator, EUI-64 node identity, serial EEPROM, and radio transceiver in a highly integrated package. It provides robust wireless connectivity optimized for battery-operated sensor devices, supporting applications such as M2M communication, industrial automation, sensor networks, and smart city infrastructure.
Long range LoRa wireless communication with -146 dBm receiver sensitivity. 18.5 dBm maximum output power for efficient signal transmission. Supports UART, API, and GPIO bus interfaces for flexible device integration. Operates on a supply voltage from 2.1V to 3.6V suitable for battery operation.
Compact size and SMT mounting design with castellated pads. Onboard Device Firmware Upgrade for easy maintenance and updates. Includes 14 GPIO pins for extended functionality and ADC capability. Certified module series RN2903 tailored for 915 MHz sub-GHz band.
This module is environmentally compliant, making it suitable for integration into sustainable electronic products. Use the Microchip RN2903A-I/RM105 LoRa Module to accelerate your product development for connected device solutions across industrial, commercial, and smart infrastructure applications. Explore the full Microchip range for complementary wireless communication components and embedded solutions.
Discover additional Microchip LoRa and RF modules and other wireless technology products at EnvMart.
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Frequently Asked Questions
The maximum output power of this module is 18.5 dBm, which enables efficient signal transmission over long distances.
The RN2903A-I/RM105 features a receiver sensitivity of -146 dBm, allowing for robust long-range communication.
It operates within a supply voltage range of 2.1V to 3.6V, making it suitable for battery-operated applications.
This model supports multiple bus interfaces including UART, API, and GPIO, enabling flexible integration into embedded systems.
The module measures 17.8 mm × 26.7 mm × 3.34 mm, featuring castellated SMT pads for easy PCB mounting.
It includes 14 General Purpose Input/Output (GPIO) pins for control, status monitoring, and ADC functions.
The RN2903A-I/RM105 supports the LoRaWAN Class A protocol, facilitating efficient IoT network integration.
The module has a range of up to 15 km, allowing for wide-area connectivity in various applications.
Yes, the onboard firmware supports Device Firmware Upgrade (DFU) over UART for seamless updates in the field.
It is designed for applications in IoT, M2M communication, smart cities, sensor networks, and industrial automation.
The country of origin for this module is India.
The module integrates an MCU, crystal oscillator, EUI-64 Serial EEPROM, and a radio transceiver with an analog front end.
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