The SR SN5 “Normalizer” is designed to reduce the 250-750MHz (B-Band) power level to a level comparable to the 950–1450 MHz (Ku-Band) signal. This minimizes the tendency of over driving amplifiers in a distribution system.


The “Normalizer” typically precedes the first amplifier in the trunk of a DirecTV Ka/Ku distribution system. All Ports are power-passing. The 72.5W and 95W signals (when present) are not required to have normalization since they do not have a 250 – 750 MHz signal present. Hence, the SR SN5 does not accommodate these Ku signals

• Input Frequency (MHz) Isolation Return Loss Insertion Loss
• 2 to 5 250 - 750 >40 15 10 dB
• 2 to 5 950 - 2150 >40 15 .5 dB
• 1 250 - 2150 >40 15 .5 dB