Ceramic Filter With low insertion loss and high attenuation. Small size, light-weight type Ceramic Filter with Small Sizes, High Performance, Prompt Delivery, International Approvals.1) Part no.: LF43B2050P45-N552) Center frequency: 1900 MHz3) Insertion loss: ≤2.04) Band width: 1650~2150 MHz5) Ripple (in BW) : ≤1.5 dB(in band any 36MHz)6) V.S.W.R (in BW) : ≤2.27) Attenuation: ≤2.3 dB ( at 1600MHz ...