The KTLT-137145-122127-N22 from Jersey Microwave is a Test Loop Translator with Downlink Frequency 12.15 to 12.75 GHz, Uplink Frequency 13.75 to 14.35 GHz, LO Frequency 1.6 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for KTLT-137145-122127-N22 can be seen below.