Variable power, Controlled variable attenuator, what is an attenuator rf voltage

Fixed attenuators in circuits are used to dissipate power, lower voltage as well as in improving impedance matching. Attenuator pads are used in measuring signals in order to lower the amplitude.

https://www.futureelectronics.com/p/wireless-rf--attenuators--passive-attenuators/f1912ncgi-renesas-1078889