HDF746A2-S4 3.8*3.8mm saw filter used for Wireless Microphone 746MHz
RF Cavity Waveguide Passive Component Notch Stop Filter 1710-1780MHz Band Rejection Filter
HDF931A-S4 3.8*3.8mm saw filter used for Wireless Microphone 931MHz
LC RF Bandpass Cavity Filter Passive Component DC-1500MHz Lowpass Filter in Ibs