Mobile Network Operators (MNOs) and Mobile Virtual Network Operators (MVNOs) are both key players in the mobile telecommunications industry, but they have distinct roles and business models. Here's a comparison between MNOs and MVNOs: 

Mobile Network Operators (MNOs): 

Mobile Virtual Network Operators (MVNOs): 

In summary, MNOs own and operate their own network infrastructure, while MVNOs lease network capacity from MNOs to offer mobile services under their own brand. While MNOs focus on building and expanding network coverage, MVNOs differentiate themselves through branding, marketing, and targeted offerings.