Description Description Litton Digisec Angle Encoder Electronics Units. Includes two Lambda LFS-39-6 regulated power supplies. Digisec electronics unit, litton Itek encoder, which has a 22 bit display (red led's). Made by BEI motion systems company. Original List price was over $4,995! This item is brand new in a brown box. It comes only with the peripherals shown in the photos. View AllClose