SPECIFICATIONS

Brand Name: DykbRadio

Certification: NONE

Choice: yes

DIY Supplies: Electrical

Data Record: No

Electronic: No

FM Broadcast Band-Reject Filter: Passive EMI Suppression Module

High-concerned chemical: none

Model Number: FM Broadcast Band-Reject Filter (Notch Filter)

Notch Filter: Blocks 88-108MHz FM broadcast

Origin: Mainland China

Output Voltage: SMA

Semi-finishedproduct: Yes

Size: Notch Band 88-108MHz

Style: Blocks 88-108MHz FM broadcast

Type: Passive EMI Suppression Module

semi_Choice: yes

FM Broadcast Band-Reject Filter (Notch Filter) - 87.5-108MHz | Passive EMI Suppression Module

Core Function

Targeted FM Signal Attenuation:
Blocks 88-108MHz FM broadcast interference in broadband RF receivers
High Rejection: ≥44dB suppression (typical 44–60dB across band)
Minimal Passband Loss:
<1.8dB insertion loss outside notch range

Key Specifications

Parameter	Specification
Frequency Range	DC – 3,000 MHz
Notch Band	88 – 108 MHz (±0.5MHz tolerance)
Stopband Attenuation	Typ. 44–60dB (see test chart)
Passband Insertion Loss	<1.8dB (DC–70MHz / 130–3000MHz)
Impedance	50 Ω
Max Power Handling	1W (30dBm)
Connector	SMA Female (External Thread, Internal Hole)
Dimensions	55 × 12 × 6.5 mm

Performance Graph

Frequency Response:
▲ Insertion Loss (dB)
│ ____________________
│ / \
│ 0dB ───────────────────────/ DC to 70MHz \───────────
│ \_ 130-3000MHz _/
│ | |
│ >44dB >44dB
│ @88MHz @108MHz
▼
Frequency (MHz)