The TLR-8.15 from GeoSync Microwave is a Test Loop Translator with Downlink Frequency 0.95 to 1.45 GHz, Uplink Frequency 7.9 to 8.4 GHz, LO Frequency 6.95 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for TLR-8.15 can be seen below.