ZTE MF190 USB Modem Specifications: * 3G Frequency Band: HSDPA/UMTS 2100MHz default * Customization: HSDPA/UMTS 900/2100MHz or HSDPA/UMTS 850/1900/2100MHz * 2G Frequency Band: GSM/GPRS/EDGE 850/900/1800 * Operating Temperature:-10 to 60° C * Storage Temperature:-40 to 80° C * Approvals & Certification: CE, GCF, FC, ROHS, WHQL. * Storage Capacity: Up to 4G Micro-SD card [...]