This is India's first C-Band Extended LNB which can receive signals from 3.7GHz to 4.8GHz. Usually, C-Band LNB comes in 3.7-4.2. This LNB is proudly tested on Bangabandhu Satellite which broadcasting TV channels on C-Band extended signals. This LNB works on two L.O. or LNB Frequency (Normal C-Band and Extended C-Band) pecifications for L.O. 5150: LO: 5750MHz Noise Figure: 12K Gain : 65dB Input Frequency - 3.7~4.8GHz Output Frequency - 950~2050MHz Please note, you can use a single L.O. 5750 to receive all signals. No need to feed 5150 and 5950. It will work, we have tested.