The TRR-3B-2 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 3.4 to 12.75 GHz (3.4 to 4.2 GHz / 7.25 to 7.75 GHz / 10.7 to 11.45 GHz / 11.2 to 11.95 GHz / 11.45 to 12.2 GHz / 12.0 to 12.75), Uplink Frequency 5.85 to 14.5 GHz (5.85 to 6.65 GHz / 7.9 to 8.4 GHz / 13.75 to 14.5 GHz), LO Frequency 2.45 GHz / 0.65 GHz / 3.05 GHz / 2.55 GHz / 2.3 GHz / 1.75 GHz, Attenuation Adjustment Range 50 dB. Tags: Multi Band. More details for TRR-3B-2 can be seen below.