Digital Mobile Radio (DMR) is an open digital radio standard, ideal for users who need instant and secure communication. DMR has received global recognition as a technology that combines voice, data,…
ISO 9001 REGISTERED This document certifies that the quality management systems of CALL SYSTEMS TECHNOLOGY LTD Unit 240, Centennial Park, Centennial Avenue, Elstree, centennial parl, Hertfordshire…
Competent Person Certificate of Compliance This is to certify that comply with the requirements of The Management of Health and Safety at Work Regulations 1999 in that they have appointed Simon Di…
