The (2) 881-70-HDWBTM is a dual 881-70 bidirectional antenna with two feed cables. This antenna is heavy-duty, black anodized, top mount, well suited for multi-coupled systems due to its wide bandwidth.
Fully welded and black anodiezd design for use in extreme environmental conditions. It has internal cabling and a fixed dipole to mast spacing.
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Very large bandwidth which make it ideal for emergency use or resale
- Rugged design to withstand the most extreme environmental conditions
- The mounting hardware supplied will permit 0.75” to 2.3/8” O.D. pipe installation.
- DC ground for lightning protection
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Ideal for blocking the transfer of RF power flow in the opposite direction
- Used for intermodulation panels, protecting your transmitters from reflected power and providing extra isolation
- High isolation: minimizes intermodulation products
- Low loss: maximizes system performance
- Continuous power: physical size and materials used maximize the performance across the operating band
- Can be combined with a variety of loads, 5/25/60/100/150/250 watt combinations, as well as with second harmonic filters for Hybrid Combiners (HTCs )
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Ideal for blocking the transfer of RF power flow in the opposite direction
- Used for intermodulation panels, protecting your transmitters from reflected power and providing extra isolation
- High isolation: minimizes intermodulation products
- Low loss: maximizes system performance
- Continuous power: physical size and materials used maximize the performance across the operating band
- Can be combined with a variety of loads, 5/25/60/100/150/250 watt combinations, as well as with second harmonic filters for Hybrid Combiners (HTCs )
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The 290 Series VHF Yagi antennas are available in 2, 3, and 6 element configurations. All of our antennas can be completely customized to your applications. Our antennas can be black anodized, vertically or horizontally polarized, and heavy-duty versions are available. This antenna is extended boom. A center mount model is also available. Rugged design to withstand harsh environmental conditions
- Vertical or horizontal polarization
- DC ground for lightning protection
- Black anodized and heavy-duty versions available
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Omnidirectional antenna for wide frequency band applications. Ideal for mounting on buildings
- Available in VHF configuration (3 frequency splits)
- Rugged design to withstand the most extreme environmental conditions.
- The mounting hardware supplied will permit 0.75” to 2.38” O.D. pipe installation.
- DC ground for lightning protection
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Omnidirectional antenna for wide frequency band applications. Ideal for mounting on buildings
- Available in VHF configuration (2 frequency splits)
- Rugged design to withstand the most extreme environmental conditions.
- The mounting hardware supplied will permit 0.75” to 2.38” O.D. pipe installation.
- DC ground for lightning protection
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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 or ABS radomes
- 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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Ideal for low clearance applications such as those found on trains, public transit vehicles, construction equipment and police vehicles
- Low-profile rugged alternative to a ¼-wave whip mobile antenna
- When mounted on a horizontal surface, maximum radiation is omnidirectional and vertically polarized
- Impact-resistant ABS radome
- Supplied with a mounting gasket to ensure a moisture-proof installation
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Ideal for low clearance applications such as those found on trains, public transit vehicles, construction equipment and police vehicles
- Low-profile rugged alternative to a ¼-wave whip mobile antenna
- When mounted on a horizontal surface, maximum radiation is omnidirectional and vertically polarized
- High strength cast aluminum design. Can be coated for additional protection against harsh environmental conditions
- Supplied with an O-ring to ensure a moisture-proof installation
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Ideal for blocking the transfer of RF power flow in the opposite direction
- Used for intermodulation panels, protecting your transmitters from reflected power and providing extra isolation
- High isolation: minimizes intermodulation products
- Low loss: maximizes system performance
- Continuous power: physical size and materials used maximize the performance across the operating band
- Can be combined with a variety of loads, 5/25/60/100/150/250 watt combinations, as well as with second harmonic filters for Hybrid Combiners (HTCs )
-
Ideal for blocking the transfer of RF power flow in the opposite direction
- Used for intermodulation panels, protecting your transmitters from reflected power and providing extra isolation
- High isolation: minimizes intermodulation products
- Low loss: maximizes system performance
- Continuous power: physical size and materials used maximize the performance across the operating band
- Can be combined with a variety of loads, 5/25/60/100/150/250 watt combinations, as well as with second harmonic filters for Hybrid Combiners (HTCs )
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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
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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
-
Specifically designed to continually absorb reflected power
- Excellent return loss
- Oversized heat sinks
- Continuous duty power:
- 24/7 operation
- Install-and-forget
-
Specifically designed to continually absorb reflected power
- Excellent return loss
- Oversized heat sinks
- Continuous duty power:
- 24/7 operation
- Install-and-forget
-
Specifically designed to continually absorb reflected power
- Excellent return loss
- Oversized heat sinks
- Continuous duty power:
- 24/7 operation
- Install-and-forget
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Broadband, ideal for point-to-point applications
- Available in VHF, UHF, 700/800/900 MHz configurations
- Good directivity, very high front-to-back ratio
- Performance is constant throughout the band
- Rugged design to withstand harsh environmental conditions
- Ultra-low VSWR ratings
- Vertical or horizontal polarization
- DC ground for lightning protection
- Heavy-duty versions available
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Broadband, ideal for point-to-point applications
- Available in VHF, UHF, 700/800/900 MHz configurations
- Good directivity, very high front-to-back ratio
- Performance is constant throughout the band
- Rugged design to withstand harsh environmental conditions
- Ultra-low VSWR ratings
- Vertical or horizontal polarization
- DC ground for lightning protection
- Heavy-duty versions available
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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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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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Features compact size, low loss and temperature compensation over the range of -40ºC to +60ºC
- Extruded aluminum cavities and solid- shield copper-jacketed inter-cabling that ensures excellent mechanical and electrical stability
- All units are adjustable in the field and rated at 50 Watts maximum with a maximum VSWR of 1.5: 1 over the entire tuning range.
- BNC connectors are standard.
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Features compact size, low loss and temperature compensation over the range of -40ºC to +60ºC
- Extruded aluminum cavities and solid- shield copper-jacketed inter-cabling that ensures excellent mechanical and electrical stability
- All units are adjustable in the field and rated at 50 watts continuous duty with a maximum VSWR of 1.5: 1 over the entire tuning range.
- BNC connectors are standard.
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Unity gain in a wideband design for heavy-duty service
- Manufactured using the best corrosion-resistant materials and finishes available
- Ultrasonically-welded brass insert and a gold-plated spring-loaded contact
- Shipped with a 19” whip that can be cut by the customer to any frequency between 136 MHz and 960 MHz
- Standard Motorola NMO type mount providing an excellent moisture seal even when the antenna is removed
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Unity gain in a broadband design for extra heavy-duty service
- Manufactured using the best corrosion-resistant materials and finishes available
- Integrated shock spring and a heavy-duty stainless steel whip that is designed to withstand severe shock
- Ultrasonically-welded brass insert and a gold-plated spring-loaded contact
- Provides 24 MHz of bandwidth using VHF frequencies and 100 MHz of bandwidth at UHF frequencies
- Standard Motorola C, M type mount
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Unity gain in a wideband design for heavy-duty service
- Manufactured using the best corrosion-resistant materials and finishes available
- Ultrasonically-welded brass insert and a gold-plated spring-loaded contact
- Shipped with a factory tuned whip cut to size based on the customer specified frequency range between 136 MHz and 960 MHz
- Standard Motorola NMO type mount providing an excellent moisture seal even when the antenna is removed
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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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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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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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No ground plane antenna
- 2.0 dBd of gain 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 ensures a moisture-proof installation
- Standard Motorola C, M type mount
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- 2.0 dBd of gain 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 and overlap construction to ensure a moisture-proof installation
- Standard TAD / NMO type mount
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- 3.0 dBd gain achieved by featuring a 5/8-wave whip with a base loaded matching coil
- 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
- O-ring seals and overlap construction to ensure a moisture-proof installation
- Standard Motorola NMO type mount
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Designed for minimizing interference from adjacent channels and outside systems
- Available in single, dual, triple or additional units
- 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 minimizing interference from adjacent channels and outside systems
- Available in single, dual, triple or additional units
- 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 minimizing interference from adjacent channels and outside systems
- Available in single, dual, triple or additional units
- 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
