The ATLT-400 from Advantech Wireless Technologies is a Test Loop Translator that has a transmit band frequency ranges of 5.85-6.425 GHz (C-band), 7.9-8.4 GHz (X-band), 14.0-14.5 GHz (Ku-band), 30.00-31.00 GHz (Ka-band) and receive band frequency ranges of 3.625-4.200 GHz (C-band), 7.250-7.75 GHz (X-band), 11.70-12.20 GHz (Ku-band), and 20.20-21.20 GHz (Ka-band). This test loop translator has an input/output VSWR of 1.5:1 and an impedance of 50 Ohms. It has a spurious of -40 dBc (In-band) and a phase noise of -95 dBc (100 kHz). The test loop translator supports RS-485 and RS-232 interfaces for monitoring and control. It requires an input supply of 90-265 VAC and has a power consumption of 50 W. It measures 482.6 x 508 x 44.5 mm and is designed for testing satellite communications links.