Kenwood PKT-23 UHF Radio (Motorola CLS1110 & CLS1410 Compatible) Up to 225,000 sq.ft. In Steel and/or Concrete Reinforced Buildings Up to 17 Floors In High-rise Buildings Up to 5 miles Open Areas without Obstructions Up to 1.5 miles Residential Areas (near buildings) 39-QT/168-DQT Coded Squelch, Super Lock (Manager Key Lock)