The 3843-15A from ARRA Inc. is a RF Variable Attenuator with Frequency 1.2 to 1.4 GHz, Attenuation Range 15 dB, Power 5 W, Peak Power 64.77 dBm, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable. More details for 3843-15A can be seen below.