1575 Mhz Gps Saw Bandpass Filter Bpf 1.575 Ghz Band Pass Satellite Positioning Sma For Ham Radio Amplifier - Replacement Parts - AliExpress
Amazon.com: Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications. 1420MHz Center Frequency. Designed for Software Defined Radio (SDR) : Electronics
Micromachines | Free Full-Text | Development and Application of SAW Filter