1. High frequency characteristics (Impedance 50Ω) ∗ www.DataSheet4U.com Frequency –1 –4 –8 (GHz) V.S.W.R. 1.1 1.15 1.25 (max.) Insertion loss 0.2 0.3 (dB. max.) Isolation 85 80 70 (dB. min.) –12.4.