Connect aruino mkr gsm 1400 with tf mini plus and external powersupply

Hallo everyone

I want to connect my arduino mkr gsm 1400 with my tf mini plus lidar. Someone suggested to me that I should use an external powersupply. So, first of all, do I realy need an external powersupply? If yes, how do I wire these three things up?

This is the Data sheet for the tf mini plus: TFmini-Plus-T-01 A04_Product Manual.pdf (1,0 MB)

I would be happy if someone would help to solve my problem. Its for a birthday gift. :slight_smile: