The need for reliable COVID-19 contact tracking solutions in these extraordinary times cannot be overemphasized. In the face of the worldwide epidemic, establishing efficient contact tracking has become an essential weapon in our group's battle against the virus. Lansitec contact tracing badge is designed based on Bluetooth 5.0 and LoRa technology. It uses RSSI for distance measurement and contact tracing. The badge is mainly used for keep social distance in work place or hospital and is especially useful during COVID-19.
Proximity detection function: the badge beeps when other badges approach. The badge can use vibration and sound to alert the user even without LoRa network. NFC function is also integrated in the badge to facilitate management.

For More: https://www.merchantcircle.com/blogs/lansitec-technology-co-ltd-aberdeen-md/2023/11/Revealing-the-Potential-of-COVID-19-Contact-Tracking-Solutions/2595154