The TLNB20000AS.0007 from Communications & Power Industries is a Low Noise Block with Input RF Frequency 20.2 to 21.2 GHz, Output RF Frequency 1 to 2 GHz, LO Frequency 19.2 GHz, LO Stability 11 Hz (24 hours), 1000 Hz (90 days)(External), ±29 kHz(Internal Reference), Gain 60 to 63 dB. More details for TLNB20000AS.0007 can be seen below.