4-inch TouchScreen Controller

• Android 11.0 system, ARM Cortex-A55，Quad-core, 1.8GHz, 4GB DDR4 RAM, and 32GB EMMC ROM;
• 720*720 resolution , with outer frame dimensions of 86mm*86mm
• BT5.1/WIFI 2.4&5G
• 1 RS232 port, baud rates are configurable;
• 1 Gigabit Ethernet, compatible with TCP/UDP/HTTP(s)/Websocket protocols;
• Supports video streaming (RTSP/RTMP/HTTP) ;
• Two operating modes: Host mode or Terminal mode.
• 1 Micro USB interface for system firmware burning and debugging;
• Power button for system sleep, wake, power on, and power off functions;
• DC 24V or POE power supply.