Zebra Omnii XT15, 9.4 cm (3.7"), 640 x 480 pixels, 0.512 GB, RAM, 1000 MB, 0.8 GHz Zebra Omnii XT15. Display diagonal: 9.4 cm (3.7"), Display resolution: 640 x 480 pixels. Internal memory: 0.512 GB. Processor frequency: 0.8 GHz. Operating system installed: Windows Embedded Handheld 6.5. Wi-Fi standards: 802.11a, 802.11b, 802.11g. Barcode reader