WLR089U0 Microchip Integrated Circuit (Other) In Stock
Microchip WLR089U0 is an ultra-low power LoRa wireless module combining a SAMR34 microcontroller with a LoRa transceiver. Supports LoRaWAN 1.0.2 at 868 MHz and 915 MHz frequency bands with -148 dBm receive sensitivity. Compact SMD module enabling long-range IoT connectivity for sensor networks.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 41
- Lifecycle
- ACTIVE
- Datasheet
- WLR089U0 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated SAMR34 ARM Cortex-M0+ MCU with LoRa transceiver achieving -148 dBm receive sensitivity
- Supports LoRaWAN Class A, B, and C at 868 MHz and 915 MHz with ultra-low 2 µA sleep current
- Pre-certified SMD module reducing time-to-market and eliminating need for separate RF design and certification
Applications
The WLR089U0 is designed for long-range, battery-powered IoT deployments such as smart agriculture sensors, environmental monitoring stations, and industrial asset trackers that require multi-kilometer range with minimal power consumption. Its integrated LoRaWAN stack and -148 dBm sensitivity allow reliable communication through dense urban environments and across open fields up to 15 km. The pre-certified SMD module simplifies regulatory compliance in FCC and ETSI regions, accelerating product development for smart metering and supply chain tracking applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for WLR089U0:
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Frequently Asked Questions
What receive sensitivity does the WLR089U0 achieve, and how does that translate to communication range?
The WLR089U0 achieves -148 dBm receive sensitivity on its LoRa radio. In line-of-sight rural deployments this allows communication distances of up to 15 km, while in urban environments with building attenuation typical range is 2 km to 5 km, making it effective for city-wide smart parking or utility metering networks.
Which LoRaWAN operating classes and frequency bands does the WLR089U0 support?
The module supports LoRaWAN 1.0.2 Class A, Class B, and Class C operation on 868 MHz (EU) and 915 MHz (NA) ISM bands. Class A enables lowest 2 µA average sleep current for battery nodes, Class B adds scheduled downlinks via beacons, and Class C enables continuous receive for low-latency actuator applications.
How does the WLR089U0 module simplify regulatory certification compared to a discrete LoRa chip design?
As a pre-certified SMD module, the WLR089U0 carries FCC and ETSI approvals covering both the radio subsystem and antenna interface. A product using this module avoids full RF chamber testing, reducing certification cost by tens of thousands of dollars and cutting time-to-market by 4 weeks to 8 weeks compared to building a custom LoRa PCB design from discrete components.
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