The WiFi AP handles unicast packets differently than multicast packets. So on a network with N devices, you just convert one mulicast packet into N unicast pak

The WiFi AP handles unicast packets differently than multicast packets. So on a network with N devices, you just convert one mulicast packet into N unicast pakcets. Because multicast packets are sent with the slowest possible rate, this actually speeds up performance as long as N < 20.