GL-S10 doesn't have a web Admin Panel. It is a BLE-WiFi gateway aimming to provide a simple method conversing Bluetooth Low Energy to WiFi. It supports GAP and GATT, can act as GATT server or GATT client. WiFi is used in STA mode, connect the superior router to access to the network. Also it can connect to network through Ethernet. It has a built-in standard MQTT client which could connect to any standard MQTT server. Using MQTT, it can forward BLE messages to the cloud and on the other hand forward messages from cloud to the connected BLE device through BLE notify.
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There is a video setup guide of GL-S10.