Yaesu FTM-400DR Bluetooth Module BU-2 Earlier over the weekend, I installed a YAESU BU-2 Bluetooth Module into my FTM-400 DR. This page is just a log of that quick exercise. Accompanied by a YT video. 73s, thanks, N0AGI YouTube Video FTM-400 DR – Bluetooth Module (BU-2) and Installation Pictures 10 Responses to Yaesu FTM-400DR Bluetooth Module BU-2 Leave a Reply Cancel replyYour email address will not be published.Comment Name Email Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.