D921 4G Portable Plug-In Card Router Support Malay MOD Modem Portable WIFI Wireless Hotspot 1. 150M speed Internet access 2. Large-capacity battery, low power consumption, low heat generation, long standby time, intelligent power saving 3. Support all WiFi devices 4. Small size, easy to carry 5. LCD indicator light intelligent display, easy to operate 6. Standard: TDD-LTE, China Unicom (WCDMA), FDD-LTE 7. Protocol: 802.11bgn 8. Language: ChineseEnglish 9. Interface: standard SIM card port, MICRO-USB interface 10. Output: DC5V 1000mAh 11. Chipset: ZX27520 12. LCD screen: 1.44 inches color LCD screen 13. Number of slots: 1 14. Device type: 4G CAT4 15. Transmission rate: 50-150Mbps 16. Working frequency band: FDD B1 3 5 7 8 20 38 40 41; FDD800 850 900 1800 2100 2600 1900 2300 2600MHZ; WCDMA 850 900 2100MHZ 17. Wireless network support frequency: 2.4G 18. Storage temperature: -30 to 80 degrees Celsius 19. Working temperature range: -10 to 45 degrees Celsius 20. Coverage: 100 meters 21. Working time: up to 5-8 hours 22. Operating system: Windows XP, Androids, Mac OS, Vista, Win7810, Linux 23. Battery capacity: 2100mAh 24. Power supply mode: USB chargingbuilt-in lithium battery 25. Dimensions: 9.8x6x1.5 cm 26. Weight: 110g Packing list: -1 x wireless router -1 x charging cable -1 x manual -1 x packing box