The TLR-30.5-1 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 1.0 to 2.0 GHz, Uplink Frequency 30.0 to 31.0 GHz, LO Frequency 29 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TLR-30.5-1 can be seen below.