I have one Technicolor GCA4233CLB2 and is best router to run openwrt
Boot log: https://gist.github.com/Sirherobrine23/c5daaa58ccf71f0ff6a69b30aac57e11
Wireless AC 2.4/5Ghz: Broadcom BCM4366EKMMLW1G

Wireless AC 5Ggz: BCM4369KMLG
Nand:
- Toshiba TC58NVG2S0HBAI4
- 512Mb
Bottom board:
Top board: