US Patent 11881613 Transparent package for window mounted transceiver unit

Embodiments of the disclosure relate to an antenna unit. The antenna unit includes a first antenna plate and a second antenna plate. The second antenna plate is spatially disposed from the first antenna plate. A glass frame is disposed between the antenna plates, defining an internal cavity. The antenna unit also includes a printed circuit board (PCB), a first and second integrated circuits (IC) mounted to the at least one PCB. The first IC is configured to send/receive signals at a first frequency. The second IC is configured to send/receive signals at a second frequency different from the first frequency. The antenna unit also includes a waveguide elements configured to transmit signals at the first and second frequencies through respective first and second waveguide channels. The antenna plates, the glass frame, and PCB comprise a material that transmits at least 50% of incident light in the visible spectrum.