GL-X300BRC4 will not register T-Mobile SIM

Technical Support for Routers 4G LTE, 5G NR, USB modems
21

Technical Support via GoodCloud.tar (192 KB)
hello
Can I check it remotely?
thank you

22

Well the device you have supports LTE, but with only LTE MAIN plugged in and LTE DIV/DV unplugged it's not going to see several LTE bands.

Also shows on the Collie datasheet that it only has one LTE antenna wired up.