Intermec CK3B. Display diagonal: 88.9 mm (3.5 "), Display resolution: 240 x 320 pixels, Display: TFT. Internal memory: 128 MB, Flash memory: 512 MB, Compatible memory cards: microSD. Processor clock speed: 520 MHz, Processor family: Intel PXA, Built-in processor: PXA270. Networking features: WLAN, WPAN. Wireless LAN type: 802.11a/b/g, Security algorithms supported: 64-bit WEP, 128-bit WEP, 256-bit WEP, WPA