The TK-5210/5310 premium, high specification, heavy-duty portables offer conventional FM and conventional P25 digital operation for present and future interoperability requirements for law enforcement, fire and emergency services. Available in a basic non-display, display and display with keypad models, the 16 Character LCD and controls provide an intuitive user interface simplifying P25 and FM operation for all user types. The P25 trunked option permits operation on local, regional and statewide Project 25 compliant networked systems. The extra-large capacity and Zone programming facilitate departmental, inter-agency interoperability, mutual aid and tactical channel organization. Encryption /ANI control permits basic to high level voice security and dispatch functions satisfying homeland security and confidentiality requirements. Standardized DES-OFB and AES encryption options permits advanced secure interoperable voice communications. Emergency Call and Man-Down for hazardous environment and jail/corrections personnel is supported for P25, FleetSync and MDC-1200/G-Star options.