For 4G data, your bandwith get capped ridiculously low after 60GB. For broadband, it's seems really unlimited yes. As it's often supposed to be for residential

For 4G data, your bandwith get capped ridiculously low after 60GB. For broadband, it's seems really unlimited yes. As it's often supposed to be for residential use only, I guess they will start asking you questions if your usage becomes very noticeable. I personally don't know anyone who ever had an issue.