The ZSGQ-450-K is our compact UHF cavity duplexer engineered to enable simultaneous transmit and receive operation through a single antenna across the 380-520 MHz frequency range. Designed for professional radio communications systems, the duplexer supports 100 Watt operation with 80-85 dB isolation, delivering exceptional receiver protection and minimising interference between transmitter and receiver paths.
Factory tuned to your specified transmit and receive frequencies with 3-10 MHz channel spacing, the ZSGQ-450-K provides low insertion loss and high isolation to maximise system performance, receiver sensitivity, and overall coverage. Its precision cavity design ensures stable long-term operation, making it ideal for mission-critical communications where reliability is paramount.
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The ZSGQ-450-K is our compact UHF cavity duplexer engineered to enable simultaneous transmit and receive operation through a single antenna across the 380-520 MHz frequency range. Designed for professional radio communications systems, the duplexer supports 100 Watt operation with 80-85 dB isolation, delivering exceptional receiver protection and minimising interference between transmitter and receiver paths.
Factory tuned to your specified transmit and receive frequencies with 3-10 MHz channel spacing, the ZSGQ-450-K provides low insertion loss and high isolation to maximise system performance, receiver sensitivity, and overall coverage. Its precision cavity design ensures stable long-term operation, making it ideal for mission-critical communications where reliability is paramount.
Housed within a compact 1RU rack-mount chassis, the ZSGQ-450-K is well suited to repeater sites, communications shelters, equipment racks, and control rooms where installation space is limited without compromising RF performance. Fitted with N-type female connectors, the duplexer integrates easily into standard 50 Ohm RF infrastructure.
The ZSGQ-450-K is ideally suited to Land Mobile Radio (LMR), public safety networks, emergency services, government communications, utilities, mining, transport, industrial radio systems, TETRA infrastructure, and private UHF repeater networks operating within the 380-520 MHz band.
Each duplexer is individually factory tuned to the customer’s nominated operating frequencies, ensuring optimum isolation, minimal insertion loss, and reliable long-term performance straight out of the box.
Combining compact 1RU construction, high 80?85 dB isolation, precision factory tuning, and professional-grade RF performance, the ZSGQ-450-K from ZCG Scalar is a dependable solution for UHF repeater systems requiring efficient transmit/receive duplexing through a single antenna.
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