TL-MR3420 Router specifications:
- Compatible with LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB modems, tested in the field
- 3G/4G and WAN connection Backup guarantees an "Always-online" Internet connection
- Local wireless HD video sharing, with speeds up to 300Mbps
- Easy one-touch wireless security encryption with the WPS button
- Bandwidth control allows administrators to determine how much bandwidth is allotted to each PC
If you want to use the router as a 3G/4G Wi-Fi hotspot, you must have a 3G/4G dongle, which is not sold with the device.