The Keithley 7712 3.5GHz 50 Ohm RF Module is a plug-in module which offers a 50Ω, dual 1x4 multiplexer configuration with rear panel SMA 1x4 connectors. Multiple multiplexers can be cascaded to build scaleable matrix and multiplexer systems for devices under test and RF source/measurement instruments. One channel in each multiplex bank is always closed to the corresponding OUT connector. The 3.5GHz RF switching capability of the 7712 make it well suited to 3G telecom, wireless LAN and Bluetooth module testing applications. The 7712 is for use with Keithley systems 2700 ( 760-0354 , 7600357 ), 2701 ( 760-0351 ) and 2750 ( 760-0360 ).