https://github.com/lazywalker/openwrt

OSTAR is open source now.

OSTAR MMDVM Suit test on MT7688 wifi Module and youku yk1 MT7620 router running DMR/P25/YSF/DSTAR/NXDN/Pocsage Service
the same as pistar but simplify rom is only 8M build in travelmate module support add muiti wifi SSID and auto connect
any openwrt router have>= 16M ROM and have USB port MT76x8 have 3 uart so don't need usb ,buy MT7620 need USB to connect USB MMDVM Hotspot
i make a raspberry pi zero or zero w image for test the image is only 18Mb
to use openGD77 usb serial select kernel module-usb kmod-usb-atm/acm kmod-usb-serial kmod-usb2