Zebra MC9596, 3.7", 640 x 480 pixels, 0.256 GB, 1 GB, SD, 0.806 GHz Zebra MC9596. Display diagonal: 3.7", Display resolution: 640 x 480 pixels. Internal memory: 0.256 GB, Flash memory: 1 GB, Compatible memory cards: SD. Processor frequency: 0.806 GHz. Operating system installed: Windows Mobile 6.5. Wi-Fi standards: 802.11a, 802.11b, 802.11g. Barcode reader