Features: 1.0 SAMSUNG MCU S3C2410A-20 1.8V , 200MHz 2.0 32MB NAND Flash memory 3.0 128MB SDRAM memory 4.0 USB 1.1 port x 1 (Pin1 VCC, Pin2 D-, Pin3 D+,Pin4 GND) 5.0 WS178Q/WLAN 802.11b/g SiP Module 3.3V, 1.8V Power Supply Highly Integrated System in Package (SiP) for IEEE 802.11b/g compatible WLAN Operates in 2.4GHz frequency bands: 2.412-2.472GHz, 2.484GHz Data rates of 1-54Mbps for 802.