AnyPCBA PCB and PCBA case studies
Our client, an IoT device manufacturer, needed a compact, ultra-low-power LoRaWAN communication module that could be easily integrated into their battery-powered sensing products. The module needed to combine powerful processing capability with exceptional energy efficiency to support years of operation in the field.
The key challenges were:
High Integration: A single-chip solution combining LoRa radio and application processor
Ultra-Low Power Consumption: Achieving sub-2μA sleep current for extended battery life
Global Deployment: Support for multiple frequency bands for worldwide use
Long Range Communication: Reliable connectivity over 15+ km in open areas
Compact Form Factor: Small footprint design for integration into space-constrained devices
Industrial-Grade Reliability: Stable operation across -40°C to +85°C temperature range
AnyPCBA delivered a complete LoRaWAN module PCBA solution based on the STM32WLE5CC SoC, covering PCB design, component sourcing, fabrication, SMT assembly, and comprehensive testing.
Our design and manufacturing approach included:
High-Density PCB Layout: Compact, 4-layer PCB design optimized for the STM32WLE5CC SoC, integrating RF, power, and digital circuits in a small form factor
RF Performance Optimization: Precision impedance-controlled traces and antenna matching network to achieve 15+ km communication range
Ultra-Low Power Design: Optimized power supply layout and component selection to achieve 1.69μA sleep mode consumption
Global Frequency Support: Designed to support EU433, CN470, EU868, US915, AS923, and other global frequency bands
Industrial-Grade Quality: Selected wide-temperature-range components and materials for reliable operation from -40°C to +85°C
DFM Optimization: Designed for high-yield, small-to-medium batch manufacturing
Comprehensive Testing: Full RF parametric testing, functional verification, and environmental testing
Integrated SoC: STM32WLE5CC with ARM 32-bit Cortex-M4 core
LoRaWAN Compliance: Complies with LoRaWAN 1.0.3 protocol
Global Frequency Bands: Supports EU433, CN470, IN865, EU868, AU915, US915, KR920, RU864, AS923-1/2/3/4
Network Activation: Supports both OTAA and ABP modes
Peer-to-Peer Support: Supports LoRa P2P communication
Easy Integration: UART interface with AT command set
Exceptional Range: Optimized antenna design enables communication distance exceeding 15 km
Memory: 256 KB Flash with ECC, 64 KB RAM
Ultra-Low Power: Sleep mode consumption as low as 1.69 μA
Wide Voltage Range: 2.0 V ~ 3.6 V supply voltage
Industrial Temperature Range: -40°C to +85°C
| Parameter | Specification |
|---|---|
| Chipset | STM32WLE5CC (ARM Cortex-M4) |
| Protocol | LoRaWAN 1.0.3 |
| Frequency Bands | EU433, CN470, IN865, EU868, AU915, US915, KR920, RU864, AS923-1/2/3/4 |
| Activation Modes | OTAA, ABP |
| Communication | LoRa P2P, UART (AT commands) |
| Flash Memory | 256 KB (with ECC) |
| RAM | 64 KB |
| Sleep Mode Current | 1.69 μA |
| Supply Voltage | 2.0 V ~ 3.6 V |
| Temperature Range | -40°C to +85°C |
| Communication Range | 15+ km (optimized antenna) |
High-Performance Module: Delivered a fully functional LoRaWAN module meeting all performance targets
Exceptional Energy Efficiency: Achieved sub-2μA sleep current for years of battery life
Global Ready: Designed to support frequency bands for worldwide deployment
Fast Time-to-Market: Complete PCBA solution delivered in 6 weeks from design to production
Cost-Effective Production: Optimized for efficient small-to-medium batch manufacturing
Turnkey Service: Provided full PCBA services including design, sourcing, assembly, and testing
Smart Metering (water, electricity, gas)
Smart Agriculture (soil monitoring, irrigation)
Smart City Infrastructure
Industrial IoT (IIoT) Manufacturing
Wireless Alarm and Security Systems
Asset Tracking and Logistics
Environmental Monitoring
Ready to develop your LoRaWAN module or IoT hardware project? Contact us to learn how AnyPCBA can support your product development and production.
