RN2903 Low-Power Long Range LoRa Technology Transceiver Module Features On-Board LoRaWAN Protocol Stack ASCII Command Interface over UART Compact Form Factor: 17.8 x 26.7 x 3.34 mm Castellated SMT Pads for Easy and Reliable PCB Mounting Environmentally Friendly, RoHS Compliant Compliance: - Modular Certified for the United States (FCC) and Canada (IC) - Taiwan Device Firmware Upgrade (DFU) over UART, see RN2903 LoRa Technology Module Command Reference Users Guide (DS40001811) General Description Microchips RN2903 Low-Power Long Range LoRa Operational Technology Transceiver module provides an easy to Single Operating Voltage: 2.1V to 3.6V (3.3V use, low-power solution for long range wireless data typical) transmission. The advanced command interface offers rapid time-to-market. Temperature Range: -40C to +85C Low-Power Consumption The RN2903 module complies with the LoRaWAN Programmable RF Communication Bit Rate up to Class A and Class C protocol specifications. It integrates RF, a baseband controller and command 300 kbps with FSK Modulation, 12500 bps with LoRa Technology Modulation Application Programming Interface (API) processor, making it a complete long range solution. Integrated MCU, Crystal, EUI-64 Node Identity Serial EEPROM, Radio Transceiver with Analog The RN2903 module is suitable for simple long range Front End, Matching Circuitry sensor applications with external host MCU. 14 GPIOs for Control and Status, Shared with 13 Analog Inputs Applications Automated Meter Reading RF/Analog Features Home and Building Automation Low-Power Long Range Transceiver Operating in Wireless Alarm and Security Systems the 915 MHz Frequency Band Industrial Monitoring and Control High Receiver Sensitivity: Down to -146 dBm Machine to Machine (M2M) TX Power: Adjustable up to +18.5 dBm High Internet of Things (IoT) Efficiency PA FSK, GFSK and LoRa Technology Modulation IIP3 = -11 dBm Up to 15 km Coverage at Suburban and up to 5 km Coverage at Urban Area 2015-2021 Microchip Technology Inc. DS50002390K-page 1RN2903 Table of Contents 1.0 Device Overview ...........................................................................................................................................................................3 2.0 General Specifications ..................................................................................................................................................................6 3.0 Typical Hardware Connections .....................................................................................................................................................8 4.0 Physical Dimensions...................................................................................................................................................................10 5.0 Application Information ...............................................................................................................................................................11 6.0 Regulatory Approval....................................................................................................................................................................14 Appendix A: Revision History................................................................................................................................................................19 The Microchip WebSite.........................................................................................................................................................................21 Customer Change Notification Service.................................................................................................................................................21 Customer Support.................................................................................................................................................................................21 Product Identification System ...............................................................................................................................................................23 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Website at: