LDW931 3 Version B135 4G WIFI Dongle Network Card Router Portable Wireless Hotspot Features: 1. Stable performance, 4G wireless portable WiFi 2. Suitable for computerchargercar chargerpower bank 3. Simple appearance, three-network 4G, USB interface, stable signal, strong compatibility 4. Plug and play, no driver installation required 5. Professional encryption, high security 6. 4G high-speed Internet access, the download speed can reach 2~6ms 7. Compact and convenient, smooth design with rounded corners, delicate and light 8. Support 10 WiFi users 9. One-key restore to factory mode 10. Support global network, FDD-LTEUMTS 11. Multiple languages (Indonesian, Russian, Portuguese, etc.) 12. Standard USB 2.0 high speed, convenient for USB charging 13. Nano SIM, 4FF SIM Specification: 1. Built-in 4G3G antenna gain: -1.5 dbi 2. WIFI antenna gain: -1.0 dbi 3. WIFI antenna sensitivity: 72M: -68dBm; 54M: -68dBm; 11M: -84dBm 4. Input voltage: 5V1A, 5. Rated power consumption: less than 2W 6. Ambient storage temperature: -20 to 75 degrees Celsius 7. Working temperature: -10 to 45 degrees Celsius 8. Support system 3264Bit: Win2000 Win2003 XP Vista, Win7 Win8 Win10LINUX 9. Download rate: up to 150Mbps 10. Interface type: USB 11. Network type: 4G 12. Network: 5V1A 13. Type: 3G4G 14. Standard: FDD-LTE 15. Dimensions: 88 x 28 x 12.3mm 16. Weight: 25g 17. Chip: Qualcomm 8916 Working frequency: 1. Qualcomm sub-version 4G B13540: FDD85018002100MHZ TDD2300MHZ (B13540) 2. European version B137820: FDD800180021002600MHZ (B137820) 3. US version B2457: FDD190017008502600MHZ (B2B4B5B7) 4. 3-mode version E, FDD85018002100MHZ (B1B3B5)