Some help for choose a LNB

  • Hllo everyone i need some help here
    I have a dm800hd pvr receiver ; ANT. 80cm steel...and a twin LNB DISEQ1,2 (HOTBIRD /ASTRA 6 grade)
    Today i it arrived from internet shoping a H-H MOTOR and a single LNB 0.1dB noise...What to choose for better receveing and system like.........First twin LNB (0.1dB ) or the single new LNB.........for working good with new H-H (AMIKO DM3800 ) motor..thanks anticipated..