ThinkPad GOBI 3000 Mobile Broadband The ThinkPad GOBI Mobile Broadband option is a wireless WAN-ready options that provide a cost-efficient remote access solution. Also known as: Sierra Wireless AirPrime MC8355 HSPA/CDMA module (Gobi) Frequency: 850MHz/900MHz/1800MHz/1900MHz/2100MHz Wireless Speed: EDGE: 247.4 kbps DL, 123.70 kbps UL, GPRS: 85.6 kbps DL, 42.8 kbps UL,GSM: 14.4 kbps UL/DL