The VSTLT-X / VHTLT-X from WORK Microwave is a Test Loop Translator with Downlink Frequency 7.25 to 7.75 GHz, Uplink Frequency 7.9 to 8.4 GHz, LO Frequency 6.3 GHz / 6.95 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for VSTLT-X / VHTLT-X can be seen below.