- 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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Ideal for compact high performance applications -
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
- 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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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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Adjustable, fixed, side or top mount antenna
- Offered in a 1/4, 3/8 or 1/2 wave spacing version
- The 871A-70-2 has external cabling and a field-adjustable pattern.
- The 871F-70-2 has internal cabling and fixed dipole-mast spacing.
- Heavy-duty and black anodized versions available
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Designed for quick and easy installations
- 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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- Gain of unity over its operating bandwidth
- 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
- Standard TAD / NMO type mount
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- Provides a dual band frequency range of 700/800 MHz or 800/900 MHz Public Safety bands.
- 2.0 dBd gain achieved over its operating bandwidth
- Manufactured using the best corrosion-resistant materials and finishes available
- Ultrasonically-welded brass insert and leaf spring-loaded contact for long-term reliability
- Standard NMO type mount providing an excellent moisture seal even when the antenna is removed
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Designed for external Public Safety Radio Frequencies to propagate within buildings, tunnels or public use environments
- Offered with Fire Retardant 6200 Kydex
- Meet 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
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Permet la propagation à l’intérieur des bâtiments, de tunnels ou d'environnements publics de radiofréquences externes utilisées à des fins de sécurité publique
- Radôme en Kydex 6200
- Conforme aux normes de sécurité-incendie établies par la Federal Transit Administration (FTA) et la Federal Rail Administration (FRA) et testée en matière d’inflammabilité et d’émission de fumée selon les normes ASTM E-662 et ASTM E-162
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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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Constructed from high strength, corrosion resistant aluminum alloy and stainless steel
- Available in VHF, UHF, 800/900 MHz configurations
- Rugged design to withstand harsh environmental conditions
- Circular polarization
- DC ground for lightning protection
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- Frequency range of 138-174 MHz
- Unity gain achieved over its operating bandwidth
- Used for vehicles, such as ambulances, where vertical clearance is critical
- This antenna is ideal for a vehicle that enters areas with reduced headroom
- Combined with a matching circuit that is mounted inside the vehicle
- Each antenna assembly is individually calibrated on the roof of a vehicle
