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Eliminate interference with Active Crystal Filters

Active Crystal Filter (US Patent Protected) is an unique product designed to provide an outstanding solution for interference mitigation in VHF, UHF and 700/800MHz receivers…

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Mobile Band Reject Duplexers • Helical Type • 136-520 MHz

Product features
* Helical mobile duplexers
* Band reject configuration
* Semi-rigid coaxial cables are used to improve Tx to Rx isolation
* Six helical resonators, housed in 6063-T6 aluminium cavities with alodine finishing
* Standard connectors are BNC female.

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Mobile Band Reject Duplexers • Coaxial Type • 340-960 MHz

Product features
* Coaxial mobile duplexers intended to be used in systems up to 50 watts in the 340 – 960 MHz range.
* Resonant cavities are interconnected in a band reject configuration, which allows typical Tx to Rx frequency separation of 5.0 MHz in the range of 340-520 MHz, and 9.0 MHz in the range of 800 – 960 MHz.
* Semi-rigid coaxial cables are used to improve Tx to Rx isolation.
* Six TEM silver plater cooper resonators, housed in 6063-T6 alodine finished aluminium cavities.
* Standard connectors are BNC female.

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Compact Base Station Duplexers • 136-512 MHz

Product features
* Compact Base Station duplexers, designed for applications where high power and small space is a complicated trade-off.
* Six high Q (helical or coaxial) resonant cavities, interconnected in a band pass – band reject configuration which allows a small Tx-Rx separation.
* Design and rugged construction that ensures to the units long term and thermal stability.
* Supplied with brackets for installation on a chassis.
* Standard connectors are N female.

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VHF Control Station Combiners

Product features
* Broadband devices intended to combine several single antenna port radios into a single Tx and single Rx antennas
* Reduces infrastructure size
* Simplifies cabling installations
* Provides radio to radio isolation
* Reduces maintenance costs

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