Compatible with LTE/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 Quick Security Setup button, bandwidth control allows administrators to determine how much bandwidth is allotted to each PC. 4G LTE Modems Compatibility apply to TL-MR3420 Version 2.0 ONLY.