I'm looking for the chip, which would be at least two bilateral switch (or more). The switching frequency of the signal up to 100MHz (or more). Key resistance above 20 Ohms. The power supply voltage – any (3.3 V, 5V, etc.). And most importantly – to the control signal into key chains with the weakening of the more than 50-60dB! This is the most important parameter! There are such chips?