The datasheet mentions that it uses the QM33120W, which supports the Japanese uwb pulse shape: https://forum.qorvo.com/t/what-is-the-difference-between-dw3120-and-qm33120w/12176
My evaluation board LBUA5QJ2AB-828EVB, which seems to be the latest revision of the evaluation kit, came with integrated antennas for uwb and nrf.