...
Attach the antennas to the receiver by screwing them in place.
Plug an HDMI cable into the receiver and display, and plug the USB-C power adapter into the receiver.
Press the power button on the right side of the receiver to turn it on.
Plug USB-C power adapter into the transmitter, and plug the transmitter HDMI into your source.
If the display does not immediately take, hold the button on the transmitter for 3-5 seconds. Once you let go the blue light will flash rapidly for a few seconds, when the blue light stops flashing your source will be shared to your display.
Were to find this specific model
It doesn't have an exact brand name as it is more of a generic made in china device.