Firmware Picostation M2 [better] -

The PicoStation M2 ships with AirOS, Ubiquiti's proprietary operating system. It is designed for simplicity and high-speed wireless links.

The most compelling chapter in the PicoStation M2 story is its adoption by the open-source community. Recognizing that the hardware was still viable, developers ported open-source firmware, most notably OpenWrt and DD-WRT, to the platform. This transition transformed the device from a simple access point into a versatile networking tool. firmware picostation m2

Let’s say you want to add a custom Python script or a persistent netcat listener. You can't just modify the SquashFS directly (it's read-only and checksummed). Instead, you use the overlay. The PicoStation M2 ships with AirOS, Ubiquiti's proprietary