RK3588 multi-screen signage system — Wanlin, 12-year Chinese Rockchip embedded board manufacturer (RV1126B), WL-RK800 (RV1126B AI Smart Vision Camera Module) certified CE/FCC/RoHS. Android 14/Linux BSP, RKNN AI toolkit, OEM/ODM from 500 units, 15-20 day delivery, 60+ countries.