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not gm77 slot The GM77 Barcode and QR Scanner Module relies on LED light and efficient image recognition to read codes quickly, even in low-light environments not gm77 slot GM77 barcode QR code scanning module ; RAM, Options for 2GB4GB8GB ; INTERFACES, and dual-band WiFi ; OPERATING SYSTEM & DATA STORAGE, TF

not gm77 slotGM77 barcode QR code scanning module ; RAM, Options for 2GB4GB8GB ; INTERFACES, and dual-band WiFi ; OPERATING SYSTEM & DATA STORAGE, TF

not gm77 slot GM77 barcode QR code scanning module ; RAM, Options for 2GB4GB8GB ; INTERFACES, and dual-band WiFi ; OPERATING SYSTEM & DATA STORAGE, TF