The LTT-1750-22-1RU from Tampa Microwave is a Test Loop Translator with Downlink Frequency 12.25 to 12.75 GHz, Uplink Frequency 14 to 14.5 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for LTT-1750-22-1RU can be seen below.