The TLR-30.5 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 0.95 to 1.95 GHz, Uplink Frequency 30.0 to 31.0 GHz, LO Frequency 29.05 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TLR-30.5 can be seen below.