The LAV-C from RLC Electronics is a RF Variable Attenuator with Frequency 700 to 900 MHz, Attenuation Range 10 dB, Attenuation Accuracy .3 dB, Power 0.25 W, P1dB 24 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for LAV-C can be seen below.