Dual 4-Channel RF Multiplexer Module for 34970A/34972A The Agilent (now Keysight) 34905A Dual 1:4 RF Multiplexer Module has a bandwidth of 2 GHz and offers broadband switching capabilities for high-frequency and pulsed signals. Use it to route test signals between your device under test and your signal generator, oscilloscope, spectrum analyzer, or other instrumentation. The RF multiplexers are arranged as two independent 1x4 multiplexers, each with a common shield and a switched center conductor. Connections can be made directly to SMB inputs with 2 GHz usable bandwidth, or to the BNC-to-SMB adapters provided with 1 GHz bandwidth, 50 ohm. Dual 4 channel RF multiplexer Bandwidth: 2 GHz (50 ohms) Cascade together: up to 16:1 multiplexer