LinkedIn·Monday, 10 August 2026·15d ago

Struggling with inaccurate timestamps & failed scheduled tasks on LoRaWAN IoT end nodes? Our PSS-3550B1 High-Precision RTC Timing Module…

Polysense

1,771 followers

Struggling with inaccurate timestamps & failed scheduled tasks on LoRaWAN IoT end nodes? Our PSS-3550B1 High-Precision RTC Timing Module delivers permanent offline timekeeping to fix LoRaWAN’s inherent network time sync limitations once and for all. Core Pain Point Solved Standard LoRaWAN terminals only acquire timestamp via periodic DeviceTime uplink. Power outages, long offline intervals, poor gateway coverage will fully erase internal software clock—triggering disordered scheduling, wrong data logging timestamps and failed auto-control logic。 PSS-3550B1 Key Advantages - Adopts DS3231 TCXO high-precision RTC chip, ±2ppm annual time error, stable under -40℃~85℃ industrial temperature range - Independent CR2032 coin cell backup power: Main power fully cut off still tracks real time continuously for 2–3 years - Standard I2C bus, plug-and-play compatible with all mainstream LoRaWAN gateways & LoRa end devices (WxS8800 series included) - Dual programmable alarm interrupts, perfect for cyclic equipment scheduling (dual aircon alternating, industrial sensor sampling) - Built-in temperature sensor for auxiliary environmental data collection - Auto leap year & month date correction, complete second/minute/hour/day/month/year calendar output - Low quiescent current during battery standby, no extra power burden to field IoT devices Main Application Scenarios - Server room HVAC automatic rotation control - Industrial LoRa sensor data timestamp logging - Off-grid smart metering & remote monitoring - Unattended industrial automation LoRa terminals - Remote agricultural LoRa IoT equipment Eliminate time chaos caused by LoRa network instability. PSS-3550B1 provides reliable local real-time clock for every LoRaWAN deployment, whether online or fully offline. If you’re designing LoRa-based control & monitoring systems with strict timing logic, PSS-3550B1 is your choice. #LoRaWAN #RTCModule #EmbeddedSystems #IndustrialAutomation #LPWAN #IIoT #Polysense