This Compact HDMI over Fiber 2 Port Receiver can also receive the analog stereo audio and RS-232 controls.
This compact receiver works with other Voyager HDMI transmitters. It features 2 fiber optic ports, one port is used to receive the signal and the other can be used to daisy chain to other receivers by adding an optional fiber optic module. The fiber optic module can me multimode or singlemode.
The picture is of the transmitter, the receiver is identical but has HDMI and stereo audio output instead of input.
This transmitter is also known as "CFS-HDMI-RX2."