Motorola 932B

Yea, I know, I didn't think they were hexidecimal either 
Motorola "slim black box"
         model # S3783A
         serial # 781GTZA951
         FCC ID: ABZ89FT5725
         
software version: 932b (!?)

EPROM: 27C512 (labeled SUN1666a 61L42) [dip, socketed]
              [checksum: $8C00]  

processor: XC380026FB  [tiny QFP]
           FBI 85D02
           AVDAF9346