Hi, Bigboss,
It's a special band for railway telecomm.
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Because it is not a standard band, so I may not find suitable PA in popular vendor, and it's power level is higher than standard, it become harder.
So I want to find a device to amplify LTE signal and I want to know which parameters should I care, such as what OIP3, or do I need to simulate EVM for it with S-params?
And old topic, S-params is small signal, now it's high power signal, what params should I use? etc.