The TLE-17.85 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 0.95 to 2.05 GHz, Uplink Frequency 17.3 to 18.4 GHz, LO Frequency 16.35 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TLE-17.85 can be seen below.