Yesterday i bought this device and plug my sim card to the device, i had unlimeted 5G on the sim. My download speed is ~30mbps very very low and dont know why. On cheaper tp link 4g modem i got 100mbp

I have bought both NX200 and then the NX600. When connecting it to a externall antenna i could figure out why like so many other people did have any signal increase. After spending two weeks with TP l