slot antenna
A Dual Polarization SIW Slot Antenna Adopting TM340 And ...
Pinho, “Planar Omnidirectional Microstrip Antenna Array for 5 GHz ISM and ... An, “A U-shaped Slot Antenna for WLAN and WIMAX Applications,” 7th Asia ...
Hot Dipped Galvanized Strut Channel Unistrut Perforated Carbon ...
The second half height slot is labeled 1/2MC(PP) and has no antenna leads and no channel for future antenna leads. This is the slot that I can find no function for.
Slot Antennas
It turns out, though, that an antenna can also be the absence of a thing; a slot antenna consists of one or more apertures created by removing material from a conductive surface.