The TRR-3B-1 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 3.4 to 12.2 GHz (3.4 to 4.2 GHz / 7.25 to 7.75 GHz / 11.45 to 12.2 GHz), 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 / 2.3 GHz, Attenuation Adjustment Range 50 dB. Tags: Tri Band, Multi Band. More details for TRR-3B-1 can be seen below.