The USB Dongle is in 2100mHz single frequency and WCDMA standard. Please ensure your SIM card is in accord with the standard and the frequency channel.Being plugged into PC， this 3G wireless USB dongle provides 3G network. Being plugged into 3G / 4G wireless router， it changes 3G into WiFi network. 3G up to 21.6Mbps high speed and supporting SMS synchronization operation， it is your ideal choice for WiFi dongle.Features:Supports TEXT message， phonebook， auto management APN， traffic statistics， SMS and data service synchronization operation.Enable or disable SIM / USIM pin lock.Being plugged into PC， provide 3G network.Being plugged into 3G / 4G wireless router， change 3G into WiFi network.3G max 21.6Mbps high speed.Build-in driver， automatic installation.Specifications:Chipset: Qualcomm 8200AInterfaces: USB 2.0， 6 pin SIM / USIM cardSpeed: HSUPA up to 21.6Mbps downlink and up to 5.76Mbps uplink， HSUPA up to 7.2Mbps DL and up to 5.76Mbps UL， HSDPA: Up to 7.2Mbps DL and up to 384Kbps UL， UMTS: Up to 384Kbps DL and UL， EDGE: Up to 237Kbps DL and up to 118Kbps UL， GPRS: Up to 85.6Kbps DL and up to 42.8Kbps ULTechnical standard: HSUPA supports 3GPP R6 with UL category 6 & DL category 7 / 8， HSDPA supports 3GPP R5 with UL & DL category - 5 / 6， EDGE supports 3GPP Release4  with class 12， GPRS supports multi slot class 102G Band: GSM / GPRS / EDGE 850 / 900 / 1800 / 1900 MHz3.5G / 3G Band: UMTS 2100MHzPower class: WCDMA - Power Class3， GPRS 850 / 900-Power Class 4， EDGE 850 / 900 / 1800 / 1900 MHz – power class E2Support system: For Windows 2000 / XP / Vista， for Win 7 (32 / 64bit) / 8， for Mac， for AndroidOperating temperature: -20℃ to +55℃Storage temperature: -40℃ to +80℃Color: WhiteMaterial: ABS and PCItem size: 8.7 * 2.7 * 1.0cm / 3.4 * 1.1 * 0.4in (L * W * H)Item weight: 19.0g / 0.7ozTotal size: 11.0 * 7.0 * 2.0cm / 4.3 * 2.8 * 0.8in (L * W * H)Total weight: 33.0g / 1.2ozPackage list:1 * 3G Wireless USB Dongle