hi have two 4g zong devices 1. fiber zong2. huawei bolt +when i combine bout speed through inetfusion software . then its give speed 1. fiber zong 2.5 MB/S2. huawei bolt + 1.9 MB/Sbut when we run separate its give download speed1. fiber zong 5.1 MB/S2. huawei bolt + 2.9 MB/Sif i combine then why not its give me upto 7.5 MB/S . please tell me how to solve it?