If you have any questions about the product you received, please contact us promptly. We will solve the problem for you within 24 hours. Our products provide the following special services 11-year warranty period: If all routers have quality problems within 1 year, our store supports free return and replacement of new products. 2Three-month warranty period: For products other than routers, if quality problems occur within three months, our store supports free return and replacement of new products. Product Version Version-14G LTE FDD:B1/B3(2100/1800MHZ)3G WCDMA:B1(2100MHZ)2G GSM:B1(2100MHZ)Work in most of Asia (e.g. Israel, Korea, India, Kazakhstan, Sri Lanka, Thailand, Japan, Singapore, Indonesia, etc.)Version-24G LTE FDD:B1/B3/B8(2100/1800/900MHZ)4G LTE TDD:B38/B39/B40/B41(2600/1900/2300/2500MHZ)3G WCDMA:B1/B8(2100/900MHZ)2G GSM:B3/B8(1800/900MHZ)Work in EU, Asia, most of Africa (e.g. Israel, Korea, India, Kazakhstan, Sri Lanka, Thailand, Japan, Singapore, Indonesia, UK, France, Spain, etc.)Version 3 : 4GFDD:B1/B3//B7/B8/B20(2100/1800/2600/900/800Mhz) 4GTDD:B38/B39/B40/B41(2600/1900/2300/2500Mhz) 3G WCDMA: B1/B8(2100/900MHZ) Suitable for all countries in Europe, Africa, Asia (such as Brazil, Chile, Ruia, Israel, Ukraine, France, Spain, Italy, Netherlands, India, Nigeria, Switzerland, Kazakhstan, Poland, Ghana, South Korea, Morocco, etc.) US Version: 4GLTE:B2(1900)/B4(1700/2100)/B5(850)/B12(1900)/B17(700) 3G WCDMA: B5(850MHZ) Suitable for use in American countries (such as the United States, Canada, Mexico, etc.) The CPF906 is an cost-effective4G LTE WiFi Router / CPE (Customer Premise Equipment) comply with 802.11N standard, 300Mbps, it provides superior wirele acce performance and comprehensive routing capabilities by bring wirele broadband data to endusers. It converts high-speed LTE FDD/TDD network to the local area network (LAN) and high-speed Wirele LAN (WLAN). So that mobile phones, phones, laptops, tablets and other intelligent devices can acce the Internet through the device at the same time. Features 1.4G LTE Router with SIM Card Slot, Portable Wirele WiFi Router for Mobile Internet 4G router 2.4G Router - the perfect solution for those who need reliable and fast internet on the go! With its sleek and modern design, this router is not only stylish but also practical. The router comes with a sim card slot, allowing you to easily insert your own sim card and enjoy internet acce wherever you are. 3.4g router wifi is Easy to connect and easy to carry in hand Sharing customer to 10 WiFi users,All you need to do is inserting the SIM card, then you will enjoy the WiFi 4.Equipped with a LAN port, you can easily connect multiple devices at once, making it ideal for busy households or small businees. The router supports multiple frequencies, ensuring that you get the best poible coverage no matter where you are. 5.The 4G Router is designed to be user-friendly and easy to set up. Simply plug in your sim card and start surfing the web in seconds. With its compact size, it's easy to take with you wherever you go. 6.Lte wifi router supports 2.4GHz WiFi, WiFi speed up to150Mbps, effectively reduces the same frequency interference, improves the wirele transmiion range, eliminates dead zones Specification Power Supply: Input: 100V~240V AC, Output: DC 12V/1A Reset Button: Pre and hold for 3 seconds for factory reset LED Indicator: Power*1, Signal*4, WLAN(WPS)*1, Ethernet port*1, Internet*1 Working Environment: Working Temperature: -20C to 35C; Humidity: 595 (No Condensation) Antenna Gain: 5dBi*4 Standard: IEEE 802.11a/b/g/n/ac Clients: 10 max Language: Chinese/ English/Ruian Package Listing: 1x 4G Wifi Router 1x DC Power Adapter 1x LAN Cable 1x User Manual Shipping time and tracking We use safe trackable shipping methods to ship parcels ,below is estimated delivery time for different countries :Asian countries 7-10 days .European countries 7-15 days .United States 10-15 days .American countries 15-25 days .Brazil 15-45 days . Service Customer service working hours:Beijing 9:30-18:30Ship orders within 48 hours (except weekends)