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AWR1243BOOST: Cascading with multiple EVM

Part Number: AWR1243BOOST
Other Parts Discussed in Thread: AWR1243

I have been researching the AWR1243. It appeals to me because it can be cascaded to increase maximum range. I want to have a maximum range of around 200-250m+. I noticed in this video, https://training.ti.com/build-cascaded-radar-using-tis-mmwave-sensors 

1. Is that 4 chip cascaded EVM going to be released soon, if ever?

2. If not, is it possible to use multiple AWR1243 BOOST boards to harness the cascading power of the AWR1243 without having to design a custom PCB? Are there any resources that could help me do that?

3. If not, are there any resources that can help me design a custom PCB for cascading the AWR1243?

Thanks