- 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 to reject one narrow band of frequencies, while letting all others pass in the operating band -
- 3.0 dBd gain achieved by featuring a 5/8-wave above a ¼ wave open coil design
- Manufactured using the best corrosion-resistant materials and finishes available
- Ultrasonically-welded brass insert and leaf spring-loaded contact for long-term reliability
- Standard NMO type mount providing an excellent moisture seal even when the antenna is removed
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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
-
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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- 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 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
-
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
-
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
-
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
-
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
