Yaohua XK-3190 RF Wireless Module Product Overview

About this manual

The document discusses the application of wireless transmission technologies—ordinary RF, Zigbee and GSM/GPRS—in weighing instrument systems. It highlights the market demand for remote monitoring, data centralization and the advantages of wireless over wired connections, especially in harsh environments.

Specific details are provided for each technology: RF operates in the 433 MHz band with a range of up to 1–2 km; Zigbee uses the 2.4 GHz band with self‑organizing mesh networking; GSM/GPRS enables long‑distance communication via cellular networks and can be integrated through a GPRS DTU module. This manual is written in Chinese.

What's inside

• Overview
• Significance of Wireless Transmission in Weighing Systems
• Ordinary RF Wireless Transmission
• Zigbee Wireless Transmission
• GSM/GPRS Wireless Transmission
• GPRS DTU Connection Method
• Conclusion

Specifications

Frequently asked questions

What wireless technologies are compared for the XK-3190 module?

The document compares ordinary RF, Zigbee and GSM/GPRS wireless transmission methods.

What is the typical transmission distance of the RF mode?

The RF mode can reach a distance of about 1 to 2 km under clear conditions.

How does the GPRS DTU connect the weighing instrument to a data center?

The GPRS DTU module connects via the internet using TCE/UDP protocol, allowing two‑way communication with the data center.