hi, new user here...can i use the 3G yagi directional antenna if the service tat i get from telco is juz normal type and not ur 3g type? also can u pls pm me the price for Huawei UMG1831 also why does the other guys here says UMG1831 HSPA+ 21.6Mbps is there any UMG1831 without 21.6Mbps?