Mirf library setting channel

Other Hardware Sensors
1

hey could anyone help me on how to set channel on mirf library?
thanks!!

2 
//    Mirf.csnPin = 7; // any pin
//    Mirf.cePin = 8; // any pin
//    Mirf.spi = &MirfHardwareSpi;
//    Mirf.init();
//    Mirf.payload = payload; 
//    Mirf.channel=90; // choose 100..125 to avoid wifi-channels
//    Mirf.config();
//    Mirf.setTADDR((byte *)"team1"); //  add network name