138-174-mhz

  • Dual, Triple and Quad Feed Exposed Dipole Array

    Frequency Range: 138-174 MHz
    Gain: 2.0-2.5 dBd
    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
  • F-3647-HDBTM Heavy Duty

    Frequency Range: 138-174, 406-512 MHz
    Gain: 2.0-2.5 dBd
    The F-3647-HDBTM 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-HDBTM 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
  • F-3647 Wideband Dual

    Frequency Range: 138-174 (871F-70), 406-512 (771-70) MHz
    Gain: 2.0-2.5 dBd
    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
  • 298-70 VHF Yagi Antenna

    Frequency Range: 138-174 MHz
    Gain: 12.5 dBd
    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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  • F-33031-D Wideband Heavy Duty Omnidirectional Antenna

    Frequency Range: 138-174 MHz
    Gain: 6.0 dBd
    The F-33031-D is a Wide Band Heavy Duty Omnidirectional Antenna specifically designed for trunked multicoupled and X-pass systems applications. This antenna is extremely rugged and is well suited for use in severe environmental conditions. This antenna is a Low Intermod design that incorporates a minimum of moveable joints in its construction and replaces standard castings with heavy duty welded joints.
    • The F-33031-D has internal cabling design and is not field adjustable.
    • Mast 3,5" (88.9 mm) O.D.
    • Passive Intermodulation Specification is measured in the third order intermodulation products, using two 20 watts (+43 dBm) Carriers.
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  • F-33030-D Wideband Ultra Heavy Duty Omni Antenna

    Frequency Range: 138-174 MHz
    Gain: 6.0 dBd
    The F-33030-D is a Wide Band Ultra Heavy Duty Omnidirectional Antenna specifically designed for trunked multicoupled and X-pass systems applications. This antenna is extremely rugged and is well suited for use in severe environmental conditions. This antenna is a Low Intermod design that incorporates a minimum of moveable joints in its construction and replaces standard castings with heavy duty welded joints.
    • The F-33030-D has internal cabling design and is not field adjustable.
    • Mast 4,5" (114.3 mm) O.D.
    • Passive Intermodulation Specification is measured in the third order intermodulation products, using two 20 watts (+43 dBm) Carriers.
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  • 356-75-ABS VHF Antenna

    Frequency Range: 138-174 MHz
    Gain: Unity
    Ideal for low clearance applications such as those found on trains, public transit vehicles.
    • Low-profile rugged alternative to a 1/4 wave whip mobile antenna
    • When mounted on a horizontal surface, maximum radiation is omnidirectional and vertically polarized
    • Impact-resistant ABS radome
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  • 59-13-46 Iris Filter (VHF)

    Frequency Range: 138-174 MHz
    Our Bandpass preselector filters are designed to improve selectivity in a compact package. They represent an optimized solution for receiver and transmitter. This construction with solid welded cavities, gold Alodine finish, silver-plated loops, and silver-plated tuning rods offers a minimum insertion loss and good stability in temperature. These filters are the ideal solution to be used in crowded RF environment site where the noise is an important factor. DOWNLOAD PDF
  • 59-13-44 Iris Filter (VHF)

    Frequency Range: 138-174 MHz
    Our Bandpass preselector filters are designed to improve selectivity in a compact package. They represent an optimized solution for receiver and transmitter. This construction with solid welded cavities, gold Alodine finish, silver-plated loops, and silver-plated tuning rods offers a minimum insertion loss and good stability in temperature. These filters are the ideal solution to be used in crowded RF environment site where the noise is an important factor. DOWNLOAD PDF
  • 290-70 VHF Yagi Antenna

    290-70-HD VHF Yagi Antenna

    Frequency Range: 138-174 MHz
    Gain: 9.5 dBd
    Rugged design to withstand harsh environmental conditions. The 290-70-HD is heavy duty VHF Yagi Antenna. The 290-70-HD has 2 versions: the Center Boom (CB) or End Boom (EB).
    • Vertical or horizontal polarization
    • DC ground for lightning protection
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  • 295-70 VHF Yagi Antenna

    295-70-HD VHF Yagi Antenna

    Frequency Range: 138-174 MHz
    Gain: 6.5 dBd
    Rugged design to withstand harsh environmental conditions
    • Vertical or horizontal polarization
    • DC ground for lightning protection
    • Black anodized version available
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  • 291-70 VHF Yagi Antenna

    291-70-HD VHF Yagi Antenna

    Frequency Range: 138-174 MHz
    Gain: 3.5 dBd
    Rugged design to withstand harsh environmental conditions
    • Vertical or horizontal polarization
    • DC ground for lightning protection
    • Black anodized version available
    DOWNLOAD PDF DOWNLOAD DIGITAL PATTERN