- Designed for the combination of two frequencies requiring extra isolation. Can also be used as efficient pre-selectors
- Available in 4 or 6 cavity configurations
- Temperature compensated to ensure frequency stability
- High attenuation to minimize desense and interference from adjacent systems
- Adjustable loops: each cavity has a calibration index for easy field tuning
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Designed for quick and easy installations -
Designed for external Public Safety Radio Frequencies to propagate within buildings, tunnels or public use environments
- Offered with Fire Retardant 6200 Kydex
- Meets the recommended fire safety practices of both the Federal Transit Administration (FTA) and the Federal Rail Administration (FRA) for smoke emission and flammability as tested under ASTM E-662 and ASTM E-162
- The F-3749B Antenna is available in custom colors for orders of 150 or more.
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Individually calibrated to ensure the best performance in a disguised appearance
- Two or three separate frequency segments in a given mobile band
- Cross-channel operation in two mobile bands with one antenna
- Alternative antennas will be recommended, where required (e.g. Euro-style, or universal mount traditional whip)
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Ideal for compact high performance applications
- Designed for the combination of two frequencies that require extra isolation. Can also be used as efficient pre-selectors
- A six and an eight cavity configuration is also available for a higher level of isolation and selectivity
- Can be retuned in the field
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Multilayer bonded PCB for high performance and compact design
- Low insertion loss
- Excellent return loss
- Compact dimensions saving space
- 3, 4.8, 6, 7, 10, 15, 20 and 30 dB values
- 200 Watts maximum main line power
- Integrated mounting bracket
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Multilayer bonded PCB for high performance and compact design
- Low insertion loss
- Excellent return loss
- Compact dimensions saving space
- 3, 4.8, 6, 7, 10, 15, 20 and 30 dB values
- 200 Watts maximum main line power
- Integrated mounting bracket
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Broadband 1/2-wave antenna - no ground plane needed
- Manufactured using the best corrosion-resistant materials and finishes available
- Triple-plated chrome brass with a large insert, molded low-loss coil form and spring-loaded gold-plated contact
- Rubber boot ensures a moisture-proof installation/avoid scratching or rusting of the vehicle
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Broadband 1/2-wave antenna - no ground plane needed
- Manufactured using the best corrosion-resistant materials and finishes available
- Triple-plated chrome brass with a large insert, molded low-loss coil form and spring-loaded gold-plated contact
- Rubber boot to ensure a moisture-proof installation/avoid scratching or rusting of the vehicle
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Bi-directional coupler, ideally suited for two-way communications systems
- Low insertion loss
- High isolation between ports
- Excellent VSWR
- Tri-band and other models are available and customizable.
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Designed for easy installation, reducing coaxial runs, and in-building applications with multi-band antennas
- Allows multiple bands to share the same transmission lines
- Available in VHF, UHF and 800/900 MHz bands
- Can be Tower-Mounted (TM), Rack-Mounted (RM) or stand alone
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Designed for compact, close frequency installations. Ideal for very closely spaced frequency transmitters
- Ideal for intermodulation panels, providing extra protection with their second harmonic filters, when physical space is at a premium or is constrained, and for providing extra isolation between two very close transmitters
- High isolation: minimizes intermodulation products
- Low loss: maximizes system performance
- Continuous power:
- Physical size and materials used maximizes the performance across the operating band
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Specifically designed to continually absorb reflected power
- Excellent return loss
- Oversized heat sinks
- Continuous duty power:
- 24/7 operation
- Install-and-forget
