Digi XBee 3 Cellular LTE-M/NB-IoT

If bluetooth is disabled on a Digi XBee 3 Cellular LTE-M/NB-IoT modem do you still need to connect an antenna to the 2.4ghz ufl?

Thank you.

yes you should

Can you explain? Since the BLE is disabled, what’s point of having the 2.4G antenna?