Ex Sony product, working prior to removal.This is your pretty traditional RF module which provides 2x inputs (coax and balanced antenna) for the reception of AM & FM radio broadcastsOnly marked externally as SEK 02Fully enclosed tin enclosure, the top is removeableInside, the brains is the Sanyo LA1837 integrated circuit which is designed to provide in a single-chip, AM/FM IF and MPX functions along with electronic tuning using SD and IF counting systems.External connection to the rest of the equipment is via a flat ribbon cableUnfortunately, I have no information on the pin designations/purpose though (13x)PCB Part number is 1-681-692-12Module measurements: 73mm x 50mm x 21mmMounting is via two threaded holes at the connector end of the enclosure