Biamp Impera Tango BlackRJ 45 with Ethernet, 400 Hz to 500 kHz, 2 pin, 0. 3 inch Euroblock, Black The Impera Tango is a controller for Biamp Apprimo touch panels. Able to host up to five touch panels, the Tango offers a more sophisticated level of control than the control pad category. Connected touch panels can work synchronously or independently, offering a diverse range of control options based on placement in the room or based on who has access to the touch panel.