Technical Specifications MC545 Dual Carrier HSPA+ Mobile Broadband USB Modem Technology/Bands • Dual-Carrier HSPA+ - 1900/2100 MHz • HSPA+/HSPA/UMTS - 900/1900/2100 MHz • Quad-band GPRS/EDGE - 850/900/1800/1900 MHz Advanced Technologies • Receiver Equalization - improves performance in noisy and highly mobile environments • Receiver Diversity - improves performance at cell edges and in buildings Data Speeds* • DC HSPA+ Downlink Cat 24 (42 Mbps) • HSPA+ Downlink Cat 14 (21.