LoRa® Modules and ICs for Long Range, Low-Power Designs
The SAM R34/R35 is a highly integrated family of LoRa technology devices that include an ultra-low-power, a high-performance 32-bit microcontroller (MCU), a LoRa transceiver and a software stack. With their certified reference designs and proven interoperability with major LoRaWAN® gateway and network providers, the SAM R34/35 devices significantly reduce time to market for Internet of Things (IoT) end devices.
LoRa Module or IC: What Is the Best Option for Your Design?
WLR089U0 Module
Ultra-Low-Power, Regulatory-Certified Turnkey LoRa Solution
- Based on the ATSAMR34J18 ultra-low-power IC
- FCC, IC and RED certified
- Integrated u.FL antenna connector for ease of use
- Integrated RF switch to support 868 and 915 MHz bands
- 256 KB Flash, 40 KB RAM for application and LoRaWAN stack
- Low power consumption of less than 800 nA with RAM retention
- Integrated TCXO for higher precision
- Compact 17 × 13.5 mm size SMT package
SAM R34 LoRa Technology ICs
Ultra-Low-Power and Small LoRa Technology ICs
- Highly integrated ICs with ultra-low-power Arm® Cortex®-M0+ based MCU and LoRa technology radio
- Up to 256 KB Flash and 40 KB RAM to accommodate application code and stack
- 862 MHz to 1020 MHz coverage with 20 dBm max output power
- Ultra-low-power sleep modes as low as 790 nA
- Compact 64-pin 6 × 6 mm BGA package
- Certified reference design package
Product Selection Tools
Take a deep dive into device specifications and compare products side by side using our product selection tools.
Why Design with the SAM R34/35 Family?
Create Smaller Nodes
- Integrated 32-bit Arm Cortex-M0 based MCU and Sub-GHz radio
- Up to 256 KB Flash and 40 KB RAM
- Compact 6 × 6 mm BGA package ICs and small 17.5 × 13.5 mm SMT module
Increase Battery Life
- Ultra-low-power 32-bit Arm Cortex-M0 based MCU
- Sleep currents down to 790 nA
- Low-power RAM with battery backup
Reduce Your Design Risk
- Certified module with u.FL connector
- Certified IC reference design package
- Interoperability-tested software
- Trusted supply chain
SAMR34/35 Product Features
- Software Features
- Hardware Features
WLR089U0 and SAM R34/35 Software Features
Microchip LoRaWAN stack:
- Developed, maintained and supported by Microchip
- Supports Class A and Class C modes of operation
- LoRaWAN 1.0.4 regional parameters
- Multi-region support: US915, EU868, AS923, AU915, KR920, IN865 bands supported
- Proven operation with leading network providers including Actility, Senet, The Things Network and Everynet
Block Diagram
Getting Started
We Have All the Tools Needed to Jumpstart Your Project
Our comprehensive selection of tools and accessible support makes LoRa product development easy. Our resources include:
- Modules, SoCs and other devices
- Development boards
- Detailed documentation
- Demo applications
- Design check service
- Technical support
Development Tools
WLR089 Xplained Pro Development Kit
Part Number: EV23M25A
- FCC-, RED- and ISED-certified WLR089U0 module
- On-board debugger (EDBG)
- On-board power management system
- Supported by Microchip Studio IDE
SAM R34 Xplained Pro Evaluation Kit
Part Number: DM320111
- ULP ATSAMR34J18B LoRa® device
- FCC, ISED and RED certified development board
- On-board TCXO, XPRO, GPIO and status LEDs
- Supported by Microchip Studio IDE
Microchip Studio Integrated Development Environment (IDE)
- For AVR® and SAM MCUs
- Seamless and easy-to-use environment
- Import your Arduino® sketches
- Extend access to Microchip Gallery
Markets and Applications
The SAM R34/R35 family’s ultra-low power performance combined with rich set of radio and peripheral features make it an excellent choice for a variety of long-range applications where longevity of battery life is of paramount importance.
Smart Agriculture
- Cattle tracking
- Irrigation monitoring
- Smart tractors
Supply Chain and Logistics
- Container tracking
- Cold chain monitoring
- Vehicle tracking
Smart City
- Street lighting
- Waste management
- Metering and leak detection