M21L2 5G NR RS232 RS485 Industrial Router with SIM Card Slot

Iyunlink M21L2 uses dual-core four-thread 880MHz, MT7621 SOC, which requires 1 USB3.0 M.2 interface to meet the application scenarios of various occasions. Gigabit Wan 1 Gigabit LAN, support 3 serial ports, debug the serial port all the way, RS232, RS485 all the way, YLX-M5G software uses linux (OpenWRT) version, default dual page, factory software support