The 313-XX-5 from Innowave RF is a Fixed Attenuator with Frequency DC to 6 GHz, Attenuation 3 dB, 4 dB, 5 dB, 6 dB, 7 dB, 8 dB, 9 dB, 10 dB, 11 dB, 12 dB, 13 dB, Power 5 W, Weight 0.25 lbs, Attenuation Accuracy 0.3 to 0.8 dB. Tags: Module with Connectors. More details for 313-XX-5 can be seen below.