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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 -
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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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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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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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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- 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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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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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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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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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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- 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
