The 857253 from Qorvo is a notch filter based on LowDrift SAW technology designed for LTE in UHF and CATV environments. It operates from 200 MHz to 1200 MHz with a bandwidth of 828 MHz. The filter has an insertion loss under 5 dB through the band and is matched to 75 Ohms. This surface mount device is available in CSP-5BT package that measures 1.40 x 1.20 x 0.46 mm.