- 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 -
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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- 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
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Designed to reject one narrow band of frequencies, while letting all others pass in the operating band
- Can be cascaded or added to one another in order to sharpen the attenuation of the rejection curve
- Temperature compensated to ensure frequency stability
- High attenuation to minimize desense and interference from adjacent systems
- Adjustable loops: each cavity has a calibration index
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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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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
- The F-3749 Antenna is available in custom colors for orders of 150 or more.
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Designed for external Public Safety Radio Frequencies to propagate within buildings, tunnels or public use environments
- Designed for mounting on a concrete surface to meet full bandwidth specifications
- 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
- Flame resistant and self-extinguishing polycarbonate tubing is used for the radome
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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 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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Designed to pass a frequency band and reject a narrow band of frequencies
- Can reject frequencies on either the high or low side of the pass frequency
- Temperature compensated to ensure frequency stability
- High attenuation to minimize desense and interference
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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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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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- 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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- 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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Designed to minimize interference from adjacent channels and outside systems
- Available in single, dual or triple units
- Temperature compensated to ensure frequency stability
- High attenuation
- Adjustable loops: each cavity has a calibration index to reference insertion loss
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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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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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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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- 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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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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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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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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Adjustable, fixed, side or top mount antenna
- Offered in a 1/4, 3/8 or 1/2 wave spacing version
- The 874A-70 has external cabling and a field-adjustable pattern.
- The 874F-70 has internal cabling and fixed dipole-mast spacing.
- Heavy-duty and black anodized versions available
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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 872A-70 has external cabling and a field-adjustable pattern.
- The 872F-70 has internal cabling and fixed dipole-mast spacing.
- Heavy-duty and black anodized versions available
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Dual, Triple, and Quad Feed Exposed Dipole Array The (2)871F-70, (3)871F-70, and (4)871F-70 are wide band multiple antennas designed for multicoupled systems. The antenna offers a choice of radiation patterns that are determined by the dipole-to-mast spacing. • These antennas have internal cabling and are not field adjustable. • Each antenna is offered in a 1/4, 3/8, or 1/2 wave pattern spacing versions. • Typical antenna to antenna isolation is 30dB, versions with 40 dB of isolation are also available. • Heavy duty versions are available. Please contact Comprod Inc. Technical support technician for consultation. DOWNLOAD PDF DOWNLOAD DIGITAL PATTERNS
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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 has external cabling and a field-adjustable pattern.
- The 871F-70 has internal cabling and fixed dipole-mast spacing.
- Heavy-duty and black anodized versions available
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Adjustable-only, side mount or top mount antenna
- External cabling and field adjustable pattern
- Heavy-duty and black anodized versions available
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Adjustable-only, side mount or top mount antenna
- External cabling and field adjustable pattern
- Heavy-duty and black anodized versions available
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Adjustable-only, side mount or top mount antenna
- External cabling and field adjustable pattern
- Heavy-duty and black anodized versions available
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Ideal for state or country borders
- Offered in a 3/8 wave version
- Fully welded
- The reflectors provide more directivity and greater front-to-back ratios.
- The exposed dipoles have internal cabling and fixed dipole- mast spacing.
- Side or top mount, heavy-duty and black anodized versions available
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Ideal for state or country borders
- Offered in a 3/8 wave version
- Fully welded
- The reflectors provide more directivity and greater front-to-back ratios.
- The exposed dipoles have internal cabling and fixed dipole- mast spacing.
- Side or top mount, heavy-duty and black anodized versions available
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Ideal for state or country borders
- Offered in a 3/8 wave version
- Fully welded
- The reflectors provide more directivity and greater front-to-back ratios.
- The exposed dipoles have internal cabling and fixed dipole- mast spacing.
- Side or top mount, heavy-duty and black anodized versions available
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Ideal for applications where costs are calculated per antenna
- Available in many configurations
- VHF, UHF or 700/800/900 MHz antennas can be combined onto one mast
- Mix and match with our 770, 790, 840, 870 and 880 series antennas
- Can be configured for side or top mount
- Low VSWR version with maximum gain over specified frequency
- Certain versions of antennas have an adjustable pattern for 3 dBd omnidirectional or 6 dBd offset coverage
- Heavy-duty versions available
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Offered in omnidirectional or bi-directional versions
- Internal cabling, fixed dipole-mast spacing and adjustable pattern control
- Heavy-duty, black anodized and top mount only versions available
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The F-3647 is a heavy duty wideband dual antenna with an 871F-70 on the base and a 771-70 on the top. The antenna offers for the 871F-70 & 771-70 a choice of radiation patterns that are determined by the dipole-to-mast spacing. The F-3647 has an internal cabling and is not field adjustable. The 871F-70 & 771-70 antenna is offered in a ¼, 3/8, or ½ wave pattern spacing versions. The antenna can be black anodized. Heavy Duty version of the antenna is also available. DOWNLOAD PDF DOWNLOAD DIGITAL PATTERNS
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The F-3647 is a wideband dual antenna with an 871F-70 on the base and a 771-70 on the top. The antenna offers for the 871F-70 & 771-70 a choice of radiation patterns that are determined by the dipole-to-mast spacing. The F-3647 has an internal cabling and is not field adjustable. The 871F-70 & 771-70 antenna is offered in a ¼, 3/8, or ½ wave pattern spacing versions. The antenna can be black anodized. Heavy Duty version of the antenna is also available. DOWNLOAD PDF DOWNLOAD DIGITAL PATTERNS
