Fitted with IEEE 802.11a/b/g wireless and Bluetooth via an internal antenna, the Zebra MT2090-HD4D62170WR is a high-density 2D imager handheld terminal running Windows CE 5.0 on a 312 MHz XScale PXA270 processor. It carries 64 MB of RAM and 64 MB of flash memory, and its color QVGA display resolves at 320 x 240 alongside a 21-key numeric keypad. The 2400 mAh Lithium Ion battery supports sustained cordless operation, while USB and serial interfaces round out connectivity. At 13.50 oz across a 7.8-in by 3.1-in by 5-in chassis, the unit is rated IP54 and withstands drops to 72 in onto concrete, with ESD tolerance of 15kV DC (air) and 8kV DC (direct and indirect). FIPS 140-2 and RoHS compliance are included, and the terminal is backed by a 3-year limited warranty.