Here are some of the accessories available.
NIFTY-FTM400DR Desk Stand
In working with the FTM-400DR mobile radio, It was apparent that there is no good way to support the control head when you want to operate desktop.
Simple operation, can transfer image data immediately - 320 X240 pixels
ADMS-M400-RSD - ADMS-M400-RSD
ADMS-M400-RSD with USB & Micro SD - ADMS-M400-U
Or download the ADMS-7 software at www.yaesu.com (FTM-400DR files tab)