Psion Art.No.: 1820 0046 04 "WA MX Base RS232/TTL Grey".
What you get: Workabout MX with 2 MB RAM, ports on the top: serial RS232 + TTL, on the bottom: LIF.
Condition: used unit. Fully checked and working 100%. Some optical marks of usage possible. But all clean and OK with 1 year warranty (free repair service).