The TRE-14-11 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 10.7 to 11.45 GHz, Uplink Frequency 13.75 to 14.5 GHz, LO Frequency 3.05 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TRE-14-11 can be seen below.