Well, here’s one @Syed was testing with
ZINWELL PLL LNB ZK-PF1G LN-139210 11.7 GHZ - 12.2 Ghz KU BAND VSAT
The other one looks like a Maverick. Look at the overall shape, color and skew marks.
We were able to receive with the Zinwell with no feed horn. Both LNB have similar performance specs.