The Somfy Interface IB RTS is a dry contact radio transmitter manufactured by AV Stumpfl. It is identified by article number BRZ-S-RC-INT-IB-RTS and is supplied as a single piece. The product designation specifies the Somfy Interface IB RTS and its function as a dry contact radio transmitter. The listed net and gross weight is 0.14 kg, and the country of origin is Tunisia.