STiD
STiD Readers have BLE activated. Most of the time (on recent ones), you can use this technology to pass a door with STiD reader using your phone (with the badge in your phone).
Scan
# LINUX
blescan
# Mobile
# Application STiD Settings & STiD Mobile IDRelay Attacks
Physical. You can grab badges access BUT someone (at least 1) in the room has to use their phone as a virtual badge for that to work.