Intermec CS40. Display diagonal: 71.1 mm (2.8 "), Display resolution: 240 x 320 pixels, Display: LCD. Internal memory: 256 MB, Internal memory type: RAM, Flash memory: 512 MB. Processor clock speed: 528 MHz, Processor family: ARM11. Mobile operating system installed: Windows Mobile, Operating system version: 6.5. Wireless technology: Wi-Fi, Wireless LAN type: 802.11b, 802.11g, Security algorithms supported: CCX v4, EAP-TLS, PEAP, WPA, WPA2