Tenda provides 4g mobile wan and wired wan connection for easy internet surfing. just connect it to the mobile operator's sim card, share more users or take advantage of multiple devices and enjoy the fastest 4g speed. use 4g lte as a connection, the device cannot automatically use the connection when the signal is lost. in a word, it allows you to always be on the internet and enjoy the recent and fast technology mobile internet. also offers voice service based on times or csfb. offers a wireless n speed up to 300 mbps. this router is perfect for places where 4g lte is faster than broadband cable or the adsl is inconvenient. constantly provides a high speed wi-fi service and a voice service.