A 5G compatible device will be required to enjoy the full benefits and features of a 5G mobile plan.
Standard SIM - A standard SIM is a 3-in-1 SIM which will allow you to switch between Nano SIM, Micro SIM and Standard SIM. This SIM will need to be popped into your 5G compatible device and activated to start your MyRepublic 5G service.
eSIM - An eSIM is a digital SIM that allows users to activate a cellular plan from a carrier without having to use a physical SIM. An eSIM compatible device will be required for this type of SIM to work. MyRepublic now offers eSIM for new sign-ups with no additional charges, available for all our mobile plans.
Check out this link for more information.