- Each cavity has both a Reject and a Pass band curve
- Available in single units, they can be combined with band pass, notch, and pass reject cavities for added protection and isolation
- 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
-
Designed for flexible, close frequency systems -
Designed for flexible, close frequency systems
- Each cavity has both a Reject and a Pass band curve
- Available in single units, they can be combined with band pass, notch, and pass reject cavities for added protection and isolation
- 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
-
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.
-
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
-
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.
-
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
-
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
-
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
-
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
-
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
-
- 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
- Large diameter coil form which allows for a wider operational bandwidth and better matching characteristics
- Rubber boot and overlap construction to ensure a moisture-proof installation
- Standard Motorola NMO type mount
-
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
-
Very large bandwidth which make it ideal for emergency use or resale
- Available in UHF configuration (3 frequency splits)
- 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
-
Designed for external Public Safety Radio Frequencies to propagate within buildings, tunnels or public use environments
- Multiple frequency bands
- Aluminum painted
-
Designed for external Public Safety Radio Frequencies to propagate within buildings, tunnels or public use environments
- Aluminium painted
-
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
-
DOWNLOAD PDF DOWNLOAD DIGITAL PATTERNSIdeal 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
-
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
-
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
-
Adjustable or fixed, side mount or top mount antenna
- Available in 1, 2, 4, 8 and dual dipole configurations
- Offered in a 1/4, 3/8, or 1/2 wave versions
- Internal cabling and fixed dipole-mast spacing
- Heavy-duty and black anodized versions available
-
Adjustable or fixed, side mount or top mount antenna
- Available in 1, 2, 4, 8 and dual dipole configurations
- Offered in a 1/4, 3/8, or 1/2 wave versions
- Internal cabling and fixed dipole-mast spacing
- Heavy-duty and black anodized versions available
-
The 774-70-HDBWTM-1/4 is a Wide Band, Black Anodized, Heavy Duty Welded, UHF Antenna. It is an extremely rugged 4 dipole Antenna designed for multicoupled systems. All our antennas can be customized to your particular applications. Our antennas can be configured for side mount or top mount. This antenna is configured for top mount. The 774-70-HDBWTM-1/4 antenna has internal cabling and fixed dipole-mast spacing. The antenna has either 406-470 MHz or 450-512 MHz split.
- Low VSWR version with maximum gain over specified frequency.
- Heavy Duty and Black Anodized version.
- This antenna is 1/4 wavelength spacing version offering offset radiation pattern.
- Standard connector is N-Male and optional 7/16 DIN or 4.3-10 is also available.
-
The 774-70-HDBWTM-1/2 is a Wide Band, Black Anodized, Heavy Duty Welded, UHF Antenna. It is an extremely rugged 4 dipole Antenna designed for multicoupled systems. All our antennas can be customized to your particular applications. Our antennas can be configured for side mount or top mount. This antenna is configured for top mount. The 774-70-HDBWTM-1/2 antenna has internal cabling and fixed dipole-mast spacing. The antenna has either 406-470 MHz or 450-512 MHz split.
- Low VSWR version with maximum gain over specified frequency.
- Heavy Duty and Black Anodized version.
- This antenna is 1/2 wavelength spacing version offering bidirectional radiation pattern.
- Standard connector is N-Male and optional 7/16 DIN or 4.3-10 is also available.
-
Adjustable or fixed, side mount or top mount antenna
- Available in 1, 2, 4, 8 and dual dipole configurations
- Offered in a 1/4, 3/8, or 1/2 wave versions
- Internal cabling and fixed dipole-mast spacing
- Heavy-duty and black anodized versions available
