This SAW filter for the RF circuit of digital mobile communication equipment operating at 1429 MHz ~ 1453 MHz. MF1118V-2 TYPICAL CHARACTERISTICS Insertion Loss vs. Frequency 1 dB / REF 0 dB Attenuation vs. Frequency CH1 S11 SWR 5 dB / REF 0 dB [dB] 0 *1 *2 *3 *4