Most likely using DMR Motorola Capacity Plus.
IG WQZF370
Creative Communications Sales & Rentals
[This STA is to operate onsite radio system for Country 500 @ Daytona International Speedway. This is a Music Festival. We will utilize approximately 300 radios for security, communications, and first aid response.]
Control Point 1 - Country 500 @ Daytona International Speedway1801 West International Speedway, Daytona Beach FL 602-757-1462
04/28/2017 License Issued
Special Temporary Authority expires 05/31/2017
1 - Daytona Beach (VOLUSIA) FL 5.0 km radius around center point
http://maps.google.com/maps?q=29.187,-81.0703055555555
451.6125 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
451.5875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
451.2875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
456.6125 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
456.5875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
456.2875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
451.6875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
456.6875 MO Ant: 1 20p 2e Units: 300 7K60FXE (DMR)
http://wireless2.fcc.gov/UlsApp/UlsSearch/license.jsp?licKey=3915153
https://www.radioreference.com/apps/db/?fccCallsign=WQZF370