$39 Acelink SM81 MediaTek Filogic 820 WiFi 6 system-on-module runs OpenWrt 23.05 or Debian 11
Acelink SM81 is a compact (50x36mm) system-on-module based on the MediaTek Filogic 820 (MT7981A/B) processor with WiFi 6 and Ethernet connectivity designed for IoT applications such as routers, access points, and gateways. The wireless module ships with up to 1GB DDR4 memory, a 2MB NOR flash for the bootloader, a 32GB eMMC flash for Linux or an optional NAND flash, and exposes various I/Os such as gigabit Ethernet, USB 3.0, PCIe 2.1, UART, and more through castellated holes. Acelink SM81 specifications: SoC (one or the other) MediaTek MT7981AA (Filogic 820) dual-core processor @ 1.3 GHz MediaTek MT7981BA (Filogic 820) dual-core processor @ 1.3 GHz without PCIe interface System Memory – 1GB DDR4 @ 2133 Mbps Storage 2MB NOR flash for bootloader 16GB or 32GB eMMC flash for main OS (OpenWrt) Footprint for NAND flash Wireless Radio Mode – 2.4GHz 2×2 + 5GHz 3×3 MIMO via MT7976CN RF IC Radio Frequency […]