+47 dBmV @ 1003MHz (all 4-ports). Field upgradeable for return band splitting and/or downstream redundancy. Wide optical input range (-4 to +2dBm). Plug in attenuation. Plug in fixed or adjustable equalization. Optional DOCSIS transponder. Optional ingress management switch. Diplex filters (42/54, 55/70, or 65/85 MHz). Optical Power test point and LED displays on the receiver and transmitter modules.