Bandstop Filters / Customised 200MHz-68GHz Cavity Bandstop Filters

Bandstop Filters / Customised 200MHz-68GHz Cavity Bandstop Filters

Product Overview  产品概述

The HS Series Cavity Bandstop Filters (BSF) are high-performance RF filter products independently developed by Shenzhen Huashi Digital Technology Co., Ltd. Designed for satellite communications, broadcasting, meteorological reception, and 5G interference mitigation, the product family covers an ultra-broad frequency range from 200 MHz to 68 GHz. Featuring aluminium/copper cavity construction, the filters deliver low insertion loss, high stopband rejection (up to 70 dB), excellent VSWR, and high power handling to ensure stable receiver operation in demanding environments.

Key Features  主要特点

• Low insertion loss for high signal transmission efficiency

• Excellent stopband rejection up to 70 dB

• Standard coaxial / waveguide interfaces for easy installation

• Aluminium / copper alloy cavity — robust structure with superior heat dissipation

• Black-paint surface treatment — corrosion and ageing resistant

• Ultra-broad frequency coverage (200 MHz – 68 GHz) with full customisation

• Widely used in telecom, broadcast, meteorology, and defence applications

Technical Specifications  技术参数

Detailed technical specifications for the full HS Series bandstop filter family. For frequencies or parameters not listed, please contact us for custom design.

Ordering Information  订购信息

1. Model naming: HS-BSF[Frequency][Interface Code], e.g. HS-BSF275MFN = 275 MHz N-type BSF

2. Custom frequency, stopband width, rejection depth, connector and dimensions are available

3. Matching design and technical support provided per customer system requirements

4. Please specify full model number, quantity and any special requirements when ordering