NSTS1445-E Apr. 2013 NewJRC SAW FILTER NSTS1445 Application 1472MHz DAB Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig.1. Table 1. Electrical Specifications Item Spec. Typ. Input and Output Impedance - 50Ω Nominal Center Frequency (f0) - 1472MHz Insertion Loss 3.5dB max. 2.5dB Response Variation Input and Output VSWR 1472±20MHz 2.0dB max. 2.5 max. 0.9dB 1.9 Group Delay Variation 50ns max. 14ns Out of Band Rejection (R.