- 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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Designed to pass a frequency band and reject a narrow band of frequencies -
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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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
- 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 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 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
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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
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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
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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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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
