Lebron James wrote TP-LINK does have a plan on the product you mention, but this product hasn't come into the market:cool: thank you but why no 3G router same as TL-MR3220 support only SIM card not...

I fixed it by Enable SPI Firewall from WAN Settings

Region : Argentina Model : TL-MR3220 Hardware Version : V2 Firmware Version : ISP : any router 3G/4G/ADSL support only sim card not used 3g modem usb ? and 5Ghz wifi ban ? -3G/4G/ADSL etc. -Support...

the router is need new firmware to work with ZTE MF193A ! the best router 3G/4G is not used and usb modem only Sim Card !

jimasek wrote Do you mean about network speed inside? yes I mean this the speed is drop show in windows 8.1 in task manger ( performance ) ideal speed transfer 128 KB/s drop to 40-30 KB/s

jimasek wrote Nothing changed in Interface Grouping tab? Do you have default settings? yes I make reboot all is work now but speed is not 1 GB start transfer speed at 900 MB then drop to 500 MB or...