Manage SIM card and Vehicle Details with customer details!

Hello,

We are in Telematics Industry, We work with multiple clients, each client has multiple vehicles with IoT devices, All those devices have SIM cards. Currently, We are managing SIM cards and vehicles in excel sheets.

So, Is this possible to manage these with current ERPNEXT features, or need to make a custom doctype to manage vehicles and SIM cards.?

Currently, We are using Frappe Cloud Instance ( v13.0.0-beta.13 (HEAD) ).