https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/3g-wireless-wan-high-speed-wan-interface-card/product_data_sheet0900aecd80600f41.html
HWIC-3G-HSPA-G
• HSPA: 900, 1900, and 2100 MHz (forward link up to 7.2 Mbps; reverse link up to 5.76 Mbps)
• Backward compatibility:
• HSDPA: 850, 1900, and 2100 MHz (forward link up to 7.2 Mbps; reverse link up to 384 kbps)
• UMTS: 900, 1900, and 2100 MHz (forward link up to 2.0 Mbps; reverse link up to 384 kbps)
• EDGE: 850, 900, 1800, and 1900 MHz (forward link up to 236 kbps; reverse link up to 124 kbps)
• GPRS: 850, 900, 1800, and 1900 MHz (forward link up to 80 kbps; reverse link up to 42 kbps)