JRC SAW FILTER NSVA397 Application 422.2MHz Specified Low Power Radio Station Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig.1. NSVA397 Dec-01 Table 1. Electrical Specifications Item Spec. Input and Output Impedance 50Ω Nominal Center Frequency (f0) 422.2MHz Insertion Loss 421.7~422.7MHz 3.0dB max. Response Variation 421.7~422.7MHz 1.5dB max. Input and Output VSWR 421.7~422.7MHz 2.5 max. Out of Band Rejection 400.8MHz 50d.