Rental Infra-red simultaneous interpretation conference microphone teleprompter and presentation system in Bangkok Thailand. For more than 15 years the Management of Conventech Co., Ltd. has specialised in simultaneous interpretation and microphone discussion systems, offering quality equipment and professional staff. We offer Brahler equipment and can handle events from 20 to 2, 000 participants, Brahler, dis, simultaneus, interpretation, conference, seminar, teleprompter, prompter, autocue, voting, digivote, tour guide, sunvote, techvote, ting, ting engineering, digiguide,