HP UN2420 3G Wwan Wireless Card Gobi2000 531993-001 HSPA/UMTS EDGE/GPRS/GSM EV-DO/CDMA HSPA/WCDMA 800/850/900/1900/2100 Mhz  Power Class 3 GSM/GPRS 850/900 Mhz  Power Class 4 GSM/GPRS 1800/1900 Mhz  Power Class 1 EDGE 850/900/1800/1900 Mhz  Power Class E2