wow ! 1 step forward and 2 back! I got 2v KU LNBF one is DMS INTERATIONAL input freq. ghz 10.7-12.75 LO. freq MHz 9750/10600. one is digital (avenger)KU BAND a SINGLE LNBF ksc 321, input 11.70-12.75 ghz-output 950-2000 MHz lo 10.75 ghz, also from the same maker - try to install each one and could not get a reading on the receiver from any one ,set the dish as required and still nothing, can anyone be so helpful as to suggest why ? I can get an old circular lnb from an old dish and get a working reading????thanks and have a good day:hmmm: