An apparatus comprising: multiple patch antenna elements configured to transmit multiple electromagnetic beams (106a-106b) in multiple beam directions; multiple inputs each configured to receive one of multiple input signals (302a-302b), each input signal (302a-302b) associated with one of the electromagnetic beams (106a-106b); multiple phase-tapered splitters (304a-304b) each configured to receive one of the input signals (302a-302b), divide the received input signal (302a-302b) into a set of sub-signals (306a-306b), and provide a phase taper that adjusts phases of at least some of the sub-signals (306a-306b) in the set of sub-signals (306a-306b), wherein different phase tapers are associated with different ones of the beam directions; and characterized by further comprising multiple 90° hybrid transformers each configured to receive sub-signals (306a-306b) associated with different ones of the input signals (302a-302b), isolate the received sub-signals (306a-306b) from each other, and provide the isolated sub-signals (306a-306b) to one of the patch antenna elements; wherein the patch antenna elements are arranged in four quadrants; the inputs comprise two inputs for each quadrant, wherein one of the inputs for each quadrant is configured to receive a first of the input signals (302a-302b) and one other of the inputs for each quadrant is configured to receive a second of the input signals (302a-302b); and the phase-tapered splitters (304a-304b) comprise two phase-tapered splitters (304a-304b) for each quadrant, wherein one of the phase-tapered splitters (304a-304b) for each quadrant is configured to receive the first input signal and one other of the phase-tapered splitters (304a-304b) for each quadrant is configured to receive the second input signal. multiple patch antenna elements configured to transmit multiple electromagnetic beams (106a-106b) in multiple beam directions; multiple inputs each configured to receive one of multiple input signals (302a-302b), each input signal (302a-302b) associated with one of the electromagnetic beams (106a-106b); multiple phase-tapered splitters (304a-304b) each configured to receive one of the input signals (302a-302b), divide the received input signal (302a-302b) into a set of sub-signals (306a-306b), and provide a phase taper that adjusts phases of at least some of the sub-signals (306a-306b) in the set of sub-signals (306a-306b), wherein different phase tapers are associated with different ones of the beam directions; and characterized by further comprising multiple 90° hybrid transformers each configured to receive sub-signals (306a-306b) associated with different ones of the input signals (302a-302b), isolate the received sub-signals (306a-306b) from each other, and provide the isolated sub-signals (306a-306b) to one of the patch antenna elements; wherein the patch antenna elements are arranged in four quadrants; the inputs comprise two inputs for each quadrant, wherein one of the inputs for each quadrant is configured to receive a first of the input signals (302a-302b) and one other of the inputs for each quadrant is configured to receive a second of the input signals (302a-302b); and the phase-tapered splitters (304a-304b) comprise two phase-tapered splitters (304a-304b) for each quadrant, wherein one of the phase-tapered splitters (304a-304b) for each quadrant is configured to receive the first input signal and one other of the phase-tapered splitters (304a-304b) for each quadrant is configured to receive the second input signal.