Purchase of TSN board.

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I'm studying to apply TSN network at Industrial IoT or Smart Factory.

I have purchased two EVAL-RAPID-TSNEKs, test them and they work very well.

I'd like to purchase only the TSN board contained in the package separately, but I heard that package was discontinued.

Is the TSN board still on sales? or not, Would you recommend other replacement stuff that works like the TSN board?

I found some similar boards such as RAPID-V2x05 / 2x08 / 2x09 , but I don't know that the board can provide TSN requirements as same as the TSN board.

I'll purchase more boards later if what I'm studying requires more boards and the boards still provide technical support.

Plz, give me some idea and your comments. 

Thanks.