Fast with the latest technology — supports LTECAT11 with up to 600 Mbps download and 50 Mbps upload Sufficient connections - simultaneous surfing with up to 32 WLAN devices Long-lasting performance - the 3000mAh battery provides energy for up to 15 hours of use; micro SD card slot for up to 32 GB of additional storage space. Compatible with any iOS and Android Convenient setup and operation — thanks to the tpMiFi app (available for iOS and Android) and display that shows all important information at a glance Future-proof with carrier aggregation — combines widely separated LTE frequencies into a virtual frequency band for smooth HD streaming, fast downloads and smooth online gaming Package contents M7650 extended 600Mbps LTE mobile wireless router, micro USB cable, nano to micro SIM adapter, 3000mAh battery, quick installation guide Please check the network type and signal strength. If the signal is pretty weak, please try moving it to another location with a good 4G signal. Please check which 4G bands are supported by the nearby mobile operator base station. Some models support showing the 4G band on the status page or even support manually switching the 4G band. Please check the current 4G band and try to manually switch it to other bands supported. Too many clients are using the Internet at the same time, or some clients are using high-traffic processes such as downloading large files, streaming, gaming, etc. Try disconnecting a few client devices and testing again if client devices only browse the Internet normally. Also make sure that Power Saving Mode is turned on and try changing the WiFi range to “Short” to save power