yes, it is in production with large volume. You can buy samples from:https://www.aliexpress.com/store/product/PLC-power-cat-module-RAK-LX200V20-embedded-power-Line-Communication-module-with-ultra-high-speed-200Mbps/2805180_32789800405.html?spm=2114.12010612.0.0.xGNBMe

In order to assist u on the fast evaluation, you can purchase the EVK:https://www.aliexpress.com/store/product/WisPLC-development-board-Power-line-twisted-pair-Ethernet-interface-200M-Transmission-rate-transmission-of-IPTV-HDTV/2805180_32791324046.html?spm=2114.12010615.0.0.7vUtC9