LimeSDR-USB TX and RX antenna ports

I understand that LimeSDR consists of 6 RX (RX1_H, RX2_H, RX1_L, RX2_L, RX1_W, RX2_W) and 4 TX (TX1_1, TX2_1, TX1_2, TX2_2). My question here is that how do I configure the setting in the UHD USRP Source/Sink block inside GNURadio Companion?

I kept gettting this error as shown below:
RuntimeError: SoapyLMS7::setAntenna(TX, RX2) - unknown antenna name

How do I rectify it?

We don’t support using UHD and would suggest using gr-limesdr instead.

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