All equipment before delievery have been tested. So the quality can be guaranteed. This is our testing for high power EDFA, according to your requirement, Our high power EDFA can do 32 outputs each port is 23dBm, other manufacturers are still in the research and development stage. We can do high power EDFA, the power is adjustable, the remaining amount of the pump is large enough, the power occupation ratio is large. Our NF index is 4.5dB, it is very great, if the NF index is higher, the clarity of TV program is lower.