General Electric DS3800HAFA 1B1D Control Module for the Speedtronic MKIV control system. This GE DS3800HAFA 1B1D unit is a dedicated control module within the Speedtronic MKIV platform, carrying the DS3800HAFA 1B1D designation. It is a GE-branded component intended for use in Speedtronic MKIV installations requiring the DS3800HAFA 1B1D module.
