rule 1: medium "air" shared with everyone else rule 2: it can use wifi direct, eg: doesn't have to be in the same network rule 3: your wifi card may have single

rule 1: medium "air" shared with everyone else rule 2: it can use wifi direct, eg: doesn't have to be in the same network rule 3: your wifi card may have single antenna for a given band (2.4 or 5 GHz). Such that, you can only transmit or receive. rule 4: interference causes packetloss (eg: 2 people pressing talk in a radio) given those rules and wifi 2.4 band having 14, 5GHz band having 190 or more channels. I would say having been able to send things back and fort is still pretty damn good :)