... Original 28.8Mbps HUAWEI 3G USB Modem K4510 Huawei K4510 speeds up to 28Mbps, also a fast ... mobile network operators. Once unlocked the Vodafone K4510 modem will work with mobile broadband operators all ... frequency(3G) HSPA+/HSPA/UMTS 2100/900MHz(K4510), EDGE/GPRS/GSM 850/900/1800/1900 MHzOperating ... 850MHz (K4511)Frequency 3G:HSPA 2100/900MHz (K4510)Operating:EDGE/GPRS/GSM 850/900/1800/1900MHzFrequency ...