87.5-108MHz FM Notch Filter Passive Band-Stop Filter Module SMA for FM Radio Interference Suppression

FM Notch Filter 87.5-108MHz
Passive Band-Stop Filter Module for FM Interference Suppression

Important Notes Before Purchase:

1. Refer to Actual Test Data:Please review theadvertised measured curve graphs and real-world test videosfor performance validation.

2. Testing Recommendation:For accurate results, use aprofessional spectrum analyzerto evaluate the filter’s response.
   ⚠️ Note: Results obtained with entry-level tools like the NanoVNA may differ significantly and are not comparable.

3. Customization:Filters forother frequencies are available upon request.

Key Features:

• This module is an 88-108MHz band stop filter, specifically designed for quantitative attenuation of FM radio signals in broadband RF receivers. The stopband insertion loss is ≥ 28dB, while maintaining low insertion loss in the channel. The module structure is compact and easy to use, with mounting holes for easy integration with equipment.

  Module impedance: 50 ohms;

  Stopband insertion loss: 44-60dB @ 88-108 MHz (as measured in the figure below);

  Out of band insertion loss:<1.8dB @ DC~70MHz&130-3000MHz;

  Maximum input power: 1 W (30dBm);

  Module interface: SMA (outer screw inner hole);

  Module size: 55 * 12 * 6.5mm;

Compatible with Various Receivers
Ideal for:

• Radio communication systems

• Wireless audio equipment

• Signal processing devices

• Any RF equipment requiring FM band suppression