The 50PA-127-XX from JFW Industries is a line of Ethernet-Controlled programmable RF Attenuation Systems. They can be set up to have up to 8 sets of attenuators in one rack mount system. The system operates from 698 MHz to 3 GHz, each attenuator having an attenuation range of 127 dB with a resolution of 1 dB. They have an insertion loss of 6 dB and VSWR of 1.8:1 and can handle up to 25 dBm of input power. The 50PA-127-XX has a switching speed of 1 microsecond and requires a supply of 100/240 V AC to operate. They are available with SMA or Type N Female connectors.