RS232 serial port board

Google Play certified signage device — Wanlin AndroidSBC, 12-year Chinese digital signage box and Android media player manufacturer, WL-SB400 (RK3576 High-Performance Signage Box Motherboard) certified CE/FCC/RoHS. RK3576 Octa-Core Cortex-A72/A53 2.2GHz + 6 TOPS NPU + 8K@30fps + 8GB LPDDR4X + 64GB eMMC +. MOQ from 50 units, OEM/ODM from 500 units, 15-20 day···