Personal Digital Assistant (PDA) device, "Casio Cassiopeia E-10 Pocket PC," 1998 - Museum of History and Industry - University of Washington Digital Collections
Casio Cassiopedia EM 500 PDA Review - PCSTATS.com
DT 900M61E PDA Barcode Scanner Data Collector For CASIO DT900 Handheld Terminal Data Collector|Scanners| - AliExpress
Industrial Pda Casio IT-800 IT-800RGC-65D With Scanner Camera Gsm Phone GPS Umts 4251476900684 | eBay
Guinness World Records 2001: Most Powerful PDA - Casio Cassiopeia E-105 : r/OldHandhelds