GM4130-BK-910K1 - Datalogic Gryphon I GM4100 Bar code Scanner
User manual Datalogic Gryphon GBT4400 (English - 350 pages)
Gryphon I GM4100/GBT4100 - Replacing the Battery - YouTube
New Battery For Datalogic Gbt4400,gbt4430,gm4100,gm4100 -bk-433mhz,gm4130,gm4400,gm4430,gryphon Rbp-gm40,gm4100 Barcode Scanner - Digital Batteries - AliExpress
Datalogic Part Number GM4132-BK-433K2 - Gryphon GM4132, 433 Mhz, Kit, RS232, Black (Incl. base station BC4032-BK-433, Power Supply, and cable 90G000008) Not for use in the US - BackUp BarCode Systems
GM4100-BK-910 - Datalogic Gryphon I GM4100 Bar code Scanner