DCI passband filter 425-445 MHz

Product Description

DCI Passband Filter – 425-445 MHz, 20MHz Bandwidth, High-Performance RF Filter

This used DCI (Microwave) passband filter is a precision RF component designed to pass signals in the 425-445 MHz frequency range while attenuating out-of-band signals. With a 20 MHz bandwidth, this filter provides excellent selectivity for a wide range of communications applications.

DCI Microwave was a respected manufacturer of high-quality RF and microwave components, including filters, couplers, and other passive devices for communications, defense, and test applications.

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Frequency Band Applications

The 425-445 MHz passband covers several key applications:

This filter is ideal for amateur satellite work, general 70cm band operation, or cleaning up signals from ISM devices operating in the 433 MHz band. The broader 20MHz bandwidth makes it more versatile for applications requiring wider passband coverage.

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Key Specifications

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Applications

• Amateur Radio: 70cm band operation (430-440 MHz), satellite downlink reception

• Satellite Communications: Ground station filtering for 435 MHz downlinks

• Land Mobile: Commercial two-way radio systems

• ISM Devices: Filtering for 433 MHz industrial/scientific/medical equipment

• Test & Measurement: Harmonic and spurious rejection

• Receiver Front-End: Preventing out-of-band interference

• Transmitter Output: Cleaning up transmitted spectrum

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Condition

SOLD AS IS
USED – SHOWS NORMAL WEAR (scuffs, minor marks)
RF PERFORMANCE NOT TESTED
NO MOUNTING HARDWARE OR DOCUMENTATION INCLUDED
PICTURE MAY NOT MATCH PRODUCT