The EoRa-HUB-400TB wireless module test kit is a dual-band LoRa module development board designed and produced by Ebyte, which is based on the LR1121 chip solution. It consists of an E80 series module (LR1121 module) and an ESP32-S3 series WiFi module. It has a wealth of external pins and a 0.96-inch OLED display, and provides three communication methods: LoRa, Wi-Fi, and Bluetooth. The device has been widely used in the development of the Internet of Things and long-distance communications, especially in the application of SEMTECH One-ChannelHub (LoRaWAN single-channel gateway) technology, and has been recognized by a large number of users.