DCI passband filter 442.75-448.50 MHz

Product Description

DCI Passband Filter – 442.75-448.50 MHz, Narrowband RF Filter

This used DCI (Microwave) passband filter is a precision RF component designed to pass signals in the 442.75-448.50 MHz frequency range while attenuating out-of-band signals. With approximately 5.75 MHz bandwidth, this filter provides excellent selectivity for specific 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 442.75-448.50 MHz passband covers specific segments of the 70cm amateur radio band and adjacent commercial allocations:

This filter is ideal for:

• 70cm repeater output protection (isolating repeater transmitter from receiver)

• Narrowband receiver front-end for specific frequencies

• Test setups requiring precise frequency selection

• Interference rejection in congested RF environments

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Key Specifications

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Applications

• Amateur Radio: 70cm repeater output filtering (442-450 MHz)

• Commercial Systems: Land mobile base station filtering

• Test & Measurement: Harmonic and spurious rejection

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

• Transmitter Output: Cleaning up transmitted spectrum

• Duplexer Component: Can be part of a duplexer system for repeater installations

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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