EMR Corp RF Preselectors vary from single or dual cavity resonator combinations, to mult-stage inductive, aperature coupled, or combline filters. Special preselector assemblies may include one or more of these devices in combination, multiple pass and stop band characteristics, and special notch elements according to the complexity of site requrements. EMR preselectors are designed to optimize loss, selectivity, and costs; with respect to the particular site requirements and frequencies.

• Covers the entire 155-165 MHz band
• 2.0 dB typical insertion loss
• 30 dB attenuation 15 MHz away from center frequency