Blocking wifi is illegal absent security issues: https://www.fcc.gov/document/warning-wi-fi-blocking-prohibited https://www.fcc.gov/document/warning-wi-fi-bloc

Blocking wifi is illegal absent security issues: https://www.fcc.gov/document/warning-wi-fi-blocking-prohibited https://www.fcc.gov/document/warning-wi-fi-blocking-prohibit... It doesn't matter if you own the land. Land ownership does not confer rights to the airwaves, the air space, and often things like mineral rights.