The TRR-29.75-19.45 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 19.2 to 19.7 GHz, Uplink Frequency 29.5 to 30.0 GHz, LO Frequency 10.3 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TRR-29.75-19.45 can be seen below.