SP-005BNC is suitable to protect video signal of CCTV surveillance, and it also applies to cable television, public television, and security monitoring systems as well as video-on-demand systems and coaxial communication apparatus. Function Video signal surge protection Rated Load Voltage (DC):5V Limited Voltage DC:20V Insertion Loss(dB) :< 0.2dB Max Transmission Rate (Mbps):10 Connector :BNC Dimensions: 43mm(W)í-25mm(H)í-25mm(D) Weight: 60g.