Androidsbc - China source manufacturer for RK3588 RS485 Modbus RTU gateway. Featured model WL-RK6 (6x COM Multi-Serial Industrial Board): Rockchip RK3588, 4x A76 + 4x A55, 8nm, Linux Yocto / Debian 12 / Ubuntu 22.04 BSP; 4GB LPDDR4X (8GB/16GB options); 1x Gigabit Ethernet, 1x 2.5GbE (option for second GbE); 4x RS232 + 2x RS485 (isolated), 1x debug UART; Indu···