Maxon TSD-4416 UHF (410-470 MHz)Maxon TSD 4416 TSD 4000 Series Digital Analog Non Display Two Way Radio The SPARTAN TSD 4000 Series of Digital + Analog Radios are the best radio for any day to day application. The series provides the user with a powerful 5W performance in an attractive, compact size. Its ability to work on both Digital and Analog systems make this feature rich radio perfect for schools, hotels, restaurants, security companies, custodial services, and industrial use