https://www.ochobitshacenunbyte.com/2013/09/17/configurar-e-instalar-modulo-wifi-ralink-rt2501rt2561rt2600rt2661-rt61-con-debian-7-wheezy-portatiles/
Configurar e instalar módulo WIFI Ralink RT2501/RT2561,RT2600/RT2661 (RT61) con Debian 7 Wheezy (Portátiles)