The 8320 Series from Weinschel by Spectrum Control is a line of programmable RF Attenuation Units that operate up to 40 GHz. They have an attenuation range of up to 127 dB and can handle up to 30 watts of input power. The 8320 Series can be configured to have up to 2 channels and can be controlled by Ethernet, USB 2.0 or RS-232 serial port. They require a supply voltage of 100/240 V AC to operate. These units are available in half rack enclosures and are ideal for bench test/calibration setups and subsystem applications.