Feature●4G 150Mbps hotspot: LD933 is a WLAN USB modem router. No broadband connection is required, as long as there is a 3G/4G SIM card, you can connect to the 3G/4G network. Small and lightweight, suitable for parties, travel, business trip, work, car wifi, etc. 8-10 devices can be connected at the same time. The effective WiFi distance is up to 10 meters. Owned by a person shared by the whole family.●4G network band: The LD933 4G SIM router is compatible with the SIM card frequency bands in most European countries. Frequency Bands: FDD LTE: LTE-FDD: B1 / B3 / B7 / B8 / B20 UMTS: B1 (2100MHz) EVDO: BC0 (800MHz) It is not plug and play, please check whether the frequency band of your SIM card is compatible with it before you buy a router.●Main features and performance: LD933 USB modem stick 4G supports the LTE CAT4 standard, downloads up to 4G 100 Mbps, uploads up to 50 Mbps, but mainly depends on the signal strength. It has a SIM card slot, an SD card slot and a USB port. It works with external power supply and the working time is not limited. It can be charged via the USB port of the computer/power bank/car USB charger/power supply.●Use: even if your SIM card is compatible with LD933 mobile WiFi adapter, it is not necessarily plug and play, you may need to disable the SIM card pin and change the APN. Please make sure the SIM card is activated, it does not support roaming service and no virtual SIM card and IoT SIM card; In rural areas, a good signal does not cover some connection interruptions, which is normal.●Customer service: return your KuWFI product in good condition 30 days from the date of purchase and get a full refund for ANY reason. 12 months warranty against quality-related issues. 12 months from date of purchase. We take care of all quality-related issues with a replacement or a full refund.Descriptionclass="celwidget pd_rd_w-hslVl pd_rd_r-D5FNNWZCW8ZD9Q8TKE90 pd_rd_wg-pyRc6" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="qbq6yu-sagm4b-suf2k9-lnoqs7" data-cel-widget="aplus_feature_div">