LDW931-2 is a 4G SIM card USB wifi router,with very cool leopard eye design , it takes power through USB port , work as wifi router . also can be pluged into computer USB port , work as USB modem . plug&play , doesn't need CD driver .
Pls make sure your computer's software or Firewalls allow the USB modem driver to install ,otherwise it can't work as USB modem .
Once you insert SIM card , it will provide you WiFi Internet automatically.
The package does not include SIM card , you need buy a NANO SIM card from local operators to use this device .
High speed LTE Chipset, Support TDD-LTE/FDD-LTE/UMTS/ networks.Multi languages. Plug&Play,No need CD-ROM,No Driver Installation.Up to 10 users access to WiFi

Europe version :
4G LTE FDD: B1/B3/B7/B8/B20 ;(2100MHz)/(1800MHz)/(2600MHZ)/(900MHZ)/(800MHZ)
3G:B1/B8
Europe version works in most areas of Asia ,Africa ,middle east too .
(such as Russia, Spain, Ukraine, France, Belarus, , Germany, Italy, Portugal, UK, Ireland, Switzerland, , Sweden, , , Denmark, Latvia, Lithuania, Republic, Slovakia, Hungary, Austria, , Belgium, Luxembourg,Romania, Bulgaria, Serbia, Albania, Greece, Slovenia, ;
Korea , Japan, Israel,Turkey, Malaysia, Singapore, Azerbaijan, ,Australia, Saudi Arabia, Qatar,United Arab , Pakistan,;
Brazil and other African ,Asian countries )
You can check frequency bands in link ,
https://.frequencycheck.com/countries
IMEI change function:
login
http://192.168.0.1/index.html#imeiSetting
and write in a new IMEI , then you can change the router's IMEI.
This is a hidden function for professional users to do test ,we don't advice ordinary user to change device's IMEI to acquire cheaper Internet traffic , and 't provide technical support to such