Consulting services; consulting services and technical consulting services in the fields of hardware, software, communications, telecommunications, wireless, broadband, satellite and network communications; consulting services in the field of secure communications systems and secure computer networks; design services in the field of communication equipment, hardware and software for others; configuration of specialized communication systems for others; technical assistance, on-site technical assistance and troubleshooting of a customer's existing communications, communications security, encryption and network equipment and systems; analysis, development and implementation of communication, communications security, encryption and network technology, equipment and systems