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 Released in Unknown Made in Japan  Memory 32 KB  
 Display 3 lines x 19 dot-matrix chars  Keyboard 44 rubber keys
 Batteries 3 x CR-2025 (1 for backup)  PC-Sync With a serial cable and software
 Size/weight 13.1 (W) x 8.1 (D) x 1 (H) cm / 90 g  Messages in  
 Functions Phone book, Memo, 8-digit calculator
 Comment Well made but short of functions



User manual download
See the 'More info' page

 Released in Unknown Made in China  Memory 2 KB  
 Display 2 lines x 12 dot-matrix chars  Keyboard 38 rubber keys
 Batteries 1 x CR-2025  PC-Sync No
 Size/weight 10.4 (W) x 6.3 (D) x 0.9 (H) cm / 42 g  Messages in  
 Functions Data bank, Unit conversion, 10-digit calculator
 Comment Only 3 functions, no buzzer but a 24-char display
Same features as the DF-3401