hi Akash,
u can get the properties if microwaves from google search.microwaves normally use in mobile communication as a link.means when we connect or BTS or BTS to BSC.where wired connection is not possible then we use microwave link.in microwave we through or E1/T1 links.microwaves normally works as a point to points.but in case of WI-FI and WIMAX we use microwave as a point to multipointalso.that is the speciality of microwaves in terms of WI-FI and WIMAX.
regards
mirza