RN2483A-I/RM104 Product Information Summary

Product Overview

• Manufacturer: Microchip Technology Inc.
• Model: RN2483A-I/RM104
• Description: Low-Power Long Range LoRa Technology Transceiver Module

General 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
• European RED Certified Radio Module
• Device Firmware Upgrade (DFU) over UART

Operational Specifications

• Single Operating Voltage: 2.1V to 3.6V (3.3V typical)
• Temperature Range: -40°C to +85°C
• Low-Power Consumption
• Programmable RF Communication Bit Rate: up to 300 kbps with FSK Modulation, 10937 bps with LoRa Technology Modulation
• Integrated Components: MCU, Crystal, EUI-64 Node Identity Serial EEPROM, Radio Transceiver with Analog Front End, Matching Circuitry
• GPIOs: 14 GPIOs for Control and Status, Shared with 13 Analog Inputs

RF/Analog Features

• Frequency Bands: 433 MHz and 868 MHz
• High Receiver Sensitivity: Down to -146 dBm
• TX Power: Adjustable up to +14 dBm high Efficiency PA
• Modulation Methods: FSK, GFSK and LoRa Technology Modulation
• IIP3: -11 dBm
• Coverage: Up to 15 km Coverage at Suburban and up to 5 km Coverage at Urban Area

Applications

• Automated Meter Reading
• Home and Building Automation
• Wireless Alarm and Security Systems
• Industrial Monitoring and Control
• Machine to Machine (M2M)
• Internet of Things (IoT)

Pin Description

• 1 GND: Power Ground supply terminal
• 2 UART_RTS: Output Communication UART RTS signal, or GPIO
• 3 UART_CTS: Input Communication UART CTS signal, or GPIO
• 4 RESERVED: Do not connect
• 5 RESERVED: Do not connect
• 6 UART_TX: Output Communication UART Transmit (TX)
• 7 UART_RX: Input Communication UART Receive (RX)
• 8 GND: Power Ground supply terminal
• 9 GPIO13: Input/Output General purpose I/O pin or analog input
• 10 GPIO12: Input/Output General purpose I/O pin or analog input
• 11 GND: Power Ground supply terminal
• 12 VDD: Positive supply terminal
• 13 GPIO11: Input/Output General purpose I/O pin or analog input
• 14 GPIO10: Input/Output General purpose I/O pin or analog input
• 15-19 NC: Not connected
• 20-22 GND: Power Ground supply terminal
• 23 RFH: RF analog signal pin for high band
• 24-26 GND: Power Ground supply terminal
• 27-28 GND: Power Ground supply terminal
• 29 NC: Not connected
• 30 PGC_INT: Input/Output Internal MCU ICSP program clock or general purpose I/O pin
• 31 PGD_INT: Input/Output Internal MCU ICSP program data or general purpose I/O pin
• 32 RESET: Active-low device Reset input
• 33 GND: Power Ground supply terminal
• 34 VDD: Positive supply terminal
• 35-46 GPIO0-GPIO13: General purpose I/O pins or analog inputs
• 47 GND: Power Ground supply terminal

Electrical Characteristics

• Supply Voltage: 2.1V to 3.6V
• GPIO Sink/Source Current: 25mA each, Total 200mA sink, 185mA source
• Brown-out Reset Voltage: 1.75V to 2.05V
• Logic Input Low Voltage: 0.15 x VDD
• Logic Input High Voltage: 0.8 x VDD
• Input Leakage Current: <50nA at <25°C, <100nA at +60°C, <200nA at +85°C
• RF Input Level: Up to +10 dBm

Current Consumption

• Idle Mode: 1.7mA (VDD=2.1V), 2.8mA (VDD=3.3V), 3.1mA (VDD=3.6V)
• Transmit Mode: 28.6mA (VDD=2.1V), 38.9mA (VDD=3.3V), 44.5mA (VDD=3.6V)
• Sleep Mode: 0.0011mA (VDD=2.1V, -40°C), 0.0015mA (VDD=3.3V, 25°C), 0.002mA (VDD=3.6V, 85°C)
• Receive Mode: 12.96mA (VDD=2.1V), 14.22mA (VDD=3.3V), 14.69mA (VDD=3.6V)

RF Output Power

• 868 MHz Band: Adjustable up to +14 dBm
• 433 MHz Band: Adjustable up to +10 dBm (limited to meet regulations)

Physical Dimensions

• Dimensions: 17.8 x 26.7 x 3.34 mm
• Weight: 2.05g

Regulatory Approval

• Europe: Radio Equipment Directive (RED) assessed, CE marked
• Certification Standards:Safety: EN 62368Health: EN 62479Electro Magnetic Compatibility (EMC): EN 301 489-1, EN 301 489-3Radio: EN 300 220-1, EN 300 220-2

Approved Antennas

• AL-A80355-UB701: Alead Technology, 2 dBi Dipole
• RFA-ZW-C55-B70-D034: Alead Technology, 2 dBi Dipole

Ordering Information

• Part Number: RN2483A-I/RM104
• Temperature Range: Industrial (-40°C to +85°C)
• Package: Radio Module