[jandrese]

It's the wrong hardware for the job. The hardware for eavesdropping masquerades as a tower, not as 64 cell phones. A big sim bank like this is useless for that purpose.

[2OEH8eoCRo0]

You don't need to masquerade to eavesdrop. In fact masquerading would likely get you caught

[immibis]

Because of encryption, you can only eavesdrop traffic between a phone and a tower if you are the phone or you are the tower.