description of this antenna is :
"Pair (H/V Polarization) 2.4GHz, Omni-directional, 5dBi, Direct-mount, N-type connectors. Pole mount, I-beam, and ceiling tile mount hardware included. Requires N-male to N-female extension cable if not used in direct mount."
about the part " Requires N-male to N-female extension cable if not used in direct mount " :
what is N-male to N-female extension cable ?
what is meant by if not used in direct mount ?