NSTS1444 Apr. 2013 NewJRC SAW FILTER NSTS1444 Application 924MHz Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig.1. Item Test Result Spec. Typ. Input and Output Impedance - 50Ω Nominal Center Frequency (f0) - 924MHz Insertion Loss 3.0dB max. 2.3dB Response Variation 920-928MHz 1.2dB max. 0.3dB Input and Output VSWR 2.3 max. 1.5 Out of Band Rejection DC-880MHz 40dB min. 50dB (Relative to 880-900MHz 28dB min. 47dB .