Hi Wilson.. which router have more stable signal ? Cause i plan to upgrade office router due to not stable signal.. the router we need have to connect to 1 unit of WD Cloud, 14 unit of PC, 3 unit of printer and 6 CCTV .. above all is connect with cat 5e lan.. for wifi connection we have 2 pc, 2 printer, 1 frigerprint clock in machine and 1 laser cutting machine.. but the internet speed is only 30 mbps only .. may i know which router i more suitable for us ya ?