Samsung 2440 ARM9 400MHz Processor Video Output: 480 x RGB x 234 Win CE English Operating System SMA Active Antenna 44 Channels GPS engine -159dBm Tracking Sensitivity Onboard Memory NAND Flash Memory 32MB x 1, SDRAM 64MB SD Socket (up to 4GB) Navigation Voice Guidance Through in-car Audio System Mini DIM 13-Pin for RGB and External Data Access Link Touch Panel Control Support for Multi-Brand Head Units 9~30V Power Supply IR Remote Control with 8-Way Joystick