$SRMX If Tmobile did accept that pci board, that means that the Quectel sim card that is made for Tmobile and their spectrum is powering Srmx officially now. That pci board is the IOT modem guts. The brain that through the sim card sends and receives the 5G signal. For a 5G data router pci board, it will have to pass a different set FCC rules. A regular data router might be classified differently. Nothing bad. Just different. But if this was using a Tmobile SIM card and cleard by the FCC and Tmobile, they are well on their way for the SkiQ