HP iPAQ rx3715 Samsung 400MHz 64 M 3.5" TFT 240x320 W Mobile™ 2003 Second, iPAQ. Display diagonal: 88.9 mm (3.5 "), Display resolution: 240 x 320 pixels, Display: TFT. Internal memory: 152 MB, Compatible memory cards: MMC, SD, SDIO. Processor clock speed: 400 MHz. Mobile operating system installed: Windows Mobile, Operating system version: 2003 SE. Wireless technology: Wi-Fi, Wireless LAN type: 802.11b, Security algorithms supported: 128-bit WEP, 64-bit WEP, 802.1x RADIUS, EAP, EAP-TLS, PEAP, WEP, WPA